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class="mw-page-title-main">Gustav Heinrich Wiedemann</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. 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class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Gustav_Wiedemann" title="Gustav Wiedemann – Catalan" lang="ca" hreflang="ca" data-title="Gustav Wiedemann" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Gustav_Heinrich_Wiedemann" title="Gustav Heinrich Wiedemann – Danish" lang="da" hreflang="da" data-title="Gustav Heinrich Wiedemann" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Gustav_Heinrich_Wiedemann" title="Gustav Heinrich Wiedemann – German" lang="de" hreflang="de" data-title="Gustav Heinrich Wiedemann" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Gustav_Heinrich_Wiedemann" title="Gustav Heinrich Wiedemann – Spanish" lang="es" hreflang="es" data-title="Gustav Heinrich Wiedemann" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%DA%AF%D9%88%D8%B3%D8%AA%D8%A7%D9%88_%D9%87%D8%A7%DB%8C%D9%86%D8%B1%DB%8C%D8%B4_%D9%88%DB%8C%D8%AF%D9%85%D8%A7%D9%86" title="گوستاو هاینریش ویدمان – Persian" lang="fa" hreflang="fa" data-title="گوستاو هاینریش ویدمان" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Gustav_Heinrich_Wiedemann" title="Gustav Heinrich Wiedemann – French" lang="fr" hreflang="fr" data-title="Gustav Heinrich Wiedemann" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Gustav_Heinrich_Wiedemann" title="Gustav Heinrich Wiedemann – Indonesian" lang="id" hreflang="id" data-title="Gustav Heinrich Wiedemann" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Gustav_Heinrich_Wiedemann" title="Gustav Heinrich Wiedemann – Italian" lang="it" hreflang="it" data-title="Gustav Heinrich Wiedemann" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-mg mw-list-item"><a href="https://mg.wikipedia.org/wiki/Gustav_Heinrich_Wiedemann" title="Gustav Heinrich Wiedemann – Malagasy" lang="mg" hreflang="mg" data-title="Gustav Heinrich Wiedemann" data-language-autonym="Malagasy" data-language-local-name="Malagasy" class="interlanguage-link-target"><span>Malagasy</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%AC%D9%88%D8%B3%D8%AA%D8%A7%D9%81_%D9%87%D8%A7%D9%8A%D9%86%D8%B1%D9%8A%D8%B4_%D9%81%D9%8A%D8%AF%D9%85%D8%A7%D9%86" title="جوستاف هاينريش فيدمان – Egyptian Arabic" lang="arz" hreflang="arz" data-title="جوستاف هاينريش فيدمان" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%B0%E3%82%B9%E3%82%BF%E3%83%95%E3%83%BB%E3%83%B4%E3%82%A3%E3%83%BC%E3%83%87%E3%83%9E%E3%83%B3" title="グスタフ・ヴィーデマン – Japanese" lang="ja" hreflang="ja" data-title="グスタフ・ヴィーデマン" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Gustav_Wiedemann" title="Gustav Wiedemann – Polish" lang="pl" hreflang="pl" data-title="Gustav Wiedemann" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Gustav_Heinrich_Wiedemann" title="Gustav Heinrich Wiedemann – Portuguese" lang="pt" hreflang="pt" data-title="Gustav Heinrich Wiedemann" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%92%D0%B8%D0%B4%D0%B5%D0%BC%D0%B0%D0%BD,_%D0%93%D1%83%D1%81%D1%82%D0%B0%D0%B2_%D0%93%D0%B5%D0%BD%D1%80%D0%B8%D1%85" title="Видеман, Густав Генрих – Russian" lang="ru" hreflang="ru" data-title="Видеман, Густав Генрих" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Gustav_Heinrich_Wiedemann" title="Gustav Heinrich Wiedemann – Finnish" lang="fi" hreflang="fi" data-title="Gustav Heinrich Wiedemann" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Gustav_Heinrich_Wiedemann" 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Unsourced material may be challenged and removed.<br /><small><span class="plainlinks"><i>Find sources:</i> <a rel="nofollow" class="external text" href="https://www.google.com/search?as_eq=wikipedia&q=%22Gustav+Heinrich+Wiedemann%22">"Gustav Heinrich Wiedemann"</a> – <a rel="nofollow" class="external text" href="https://www.google.com/search?tbm=nws&q=%22Gustav+Heinrich+Wiedemann%22+-wikipedia&tbs=ar:1">news</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?&q=%22Gustav+Heinrich+Wiedemann%22&tbs=bkt:s&tbm=bks">newspapers</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?tbs=bks:1&q=%22Gustav+Heinrich+Wiedemann%22+-wikipedia">books</a> <b>·</b> <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?q=%22Gustav+Heinrich+Wiedemann%22">scholar</a> <b>·</b> <a rel="nofollow" class="external text" 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(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox biography vcard"><tbody><tr><th colspan="2" class="infobox-above" style="font-size:125%;"><div class="fn">Gustav Wiedemann</div></th></tr><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Gustav_Wiedemann_1860ca_Basel.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Gustav_Wiedemann_1860ca_Basel.jpg/220px-Gustav_Wiedemann_1860ca_Basel.jpg" decoding="async" width="220" height="324" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Gustav_Wiedemann_1860ca_Basel.jpg/330px-Gustav_Wiedemann_1860ca_Basel.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/7/70/Gustav_Wiedemann_1860ca_Basel.jpg 2x" data-file-width="408" data-file-height="600" /></a></span><div class="infobox-caption">Wiedemann c. 1860</div></td></tr><tr><th scope="row" class="infobox-label">Born</th><td class="infobox-data"><div style="display:inline" class="nickname">Gustav Heinrich Wiedemann</div><br /><span style="display:none">(<span class="bday">1826-10-02</span>)</span>2 October 1826<br /><div style="display:inline" class="birthplace"><a href="/wiki/Berlin" title="Berlin">Berlin</a>, <a href="/wiki/Kingdom_of_Prussia" title="Kingdom of Prussia">Prussia</a></div></td></tr><tr><th scope="row" class="infobox-label">Died</th><td class="infobox-data"><span class="nowrap">24 March 1899<span style="display:none">(1899-03-24)</span> (aged 72)</span><br /><div style="display:inline" class="deathplace"><a href="/wiki/Leipzig" title="Leipzig">Leipzig</a>, <a href="/wiki/German_Empire" title="German Empire">German Empire</a></div></td></tr><tr><th scope="row" class="infobox-label">Known for</th><td class="infobox-data"><a href="/wiki/Wiedemann_effect" title="Wiedemann effect">Wiedemann effect</a><br /><a href="/wiki/Wiedemann%E2%80%93Franz_law" title="Wiedemann–Franz law">Wiedemann–Franz law</a></td></tr><tr><th scope="row" class="infobox-label">Children</th><td class="infobox-data"><a href="/wiki/Eilhard_Wiedemann" title="Eilhard Wiedemann">Eilhard</a> and <a href="/wiki/Alfred_Wiedemann" title="Alfred Wiedemann">Alfred</a></td></tr><tr><th scope="row" class="infobox-label">Awards</th><td class="infobox-data"><a href="/wiki/List_of_fellows_of_the_Royal_Society_W,_X,_Y,_Z" title="List of fellows of the Royal Society W, X, Y, Z">ForMemRS</a> <span style="font-size:85%;">(1884)</span></td></tr><tr><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"><b>Scientific career</b></td></tr><tr><th scope="row" class="infobox-label">Fields</th><td class="infobox-data category"><a href="/wiki/Physics" title="Physics">Physics</a></td></tr><tr><th scope="row" class="infobox-label">Institutions</th><td class="infobox-data"><a href="/wiki/Karlsruhe_Institute_of_Technology" title="Karlsruhe Institute of Technology">Karlsruhe Institute of Technology</a><br /><a href="/wiki/Leipzig_University" title="Leipzig University">Leipzig University</a><br /><a href="/wiki/University_of_Basel" title="University of Basel">University of Basel</a><br /><a href="/wiki/Technical_University_of_Braunschweig" title="Technical University of Braunschweig">Technical University of Braunschweig</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Doctoral_advisor" title="Doctoral advisor">Doctoral advisor</a></th><td class="infobox-data"><a href="/wiki/Heinrich_Gustav_Magnus" title="Heinrich Gustav Magnus">Heinrich Gustav Magnus</a></td></tr><tr><th scope="row" class="infobox-label">Notable students</th><td class="infobox-data"><a href="/wiki/August_Hagenbach" title="August Hagenbach">August Hagenbach</a></td></tr><tr style="display:none"><td colspan="2"> </td></tr></tbody></table> <p><b>Gustav Heinrich Wiedemann</b> <span class="nobold noexcerpt nowraplinks" style="font-size:85%;"><a href="/wiki/Royal_Society_of_London" class="mw-redirect" title="Royal Society of London">FRS(For)</a> H<a href="/wiki/FRSE" class="mw-redirect" title="FRSE">FRSE</a></span> (<style data-mw-deduplicate="TemplateStyles:r1177148991">.mw-parser-output .IPA-label-small{font-size:85%}.mw-parser-output .references .IPA-label-small,.mw-parser-output .infobox .IPA-label-small,.mw-parser-output .navbox .IPA-label-small{font-size:100%}</style><span class="IPA-label IPA-label-small">German pronunciation:</span> <span class="IPA nowrap" lang="de-Latn-fonipa"><a href="/wiki/Help:IPA/Standard_German" title="Help:IPA/Standard German">[ˈɡʊsta(ː)f<span class="wrap"> </span>ˈhaɪnʁɪç<span class="wrap"> </span>ˈviːdəman]</a></span>;<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> 2 October 1826 – 24 March 1899) was a German <a href="/wiki/Physicist" title="Physicist">physicist</a> and scientific author. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Life">Life</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Gustav_Heinrich_Wiedemann&action=edit&section=1" title="Edit section: Life"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Wiedemann was born in <a href="/wiki/Berlin" title="Berlin">Berlin</a> the son of a merchant who died two years later. Following the death of his mother in 1842, he lived with his grandparents.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>After attending a private school as well as the Cölnische Humanistische <a href="/wiki/Gymnasium_(school)" title="Gymnasium (school)">Gymnasium</a>, he entered the <a href="/wiki/University_of_Berlin" class="mw-redirect" title="University of Berlin">University of Berlin</a> in 1844 where took his doctor's degree three years later under the supervision of <a href="/wiki/Heinrich_Gustav_Magnus" title="Heinrich Gustav Magnus">Heinrich Gustav Magnus</a>. His thesis on that occasion was devoted to a question in <a href="/wiki/Organic_chemistry" title="Organic chemistry">organic chemistry</a>, for he held the opinion that the study of <a href="/wiki/Chemistry" title="Chemistry">chemistry</a> is an indispensable preliminary to the pursuit of <a href="/wiki/Physics" title="Physics">physics</a>, which was his ultimate aim. In Berlin he made the acquaintance of <a href="/wiki/Hermann_von_Helmholtz" title="Hermann von Helmholtz">Hermann von Helmholtz</a> at the house of Heinrich Gustav Magnus and was one of the founders of the <a href="/wiki/Berlin_Physical_Society" class="mw-redirect" title="Berlin Physical Society">Berlin Physical Society</a>.<sup id="cite_ref-FOOTNOTEChisholm1911_4-0" class="reference"><a href="#cite_note-FOOTNOTEChisholm1911-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Wiedemann,_Gustav_Heinrich_%E2%80%93_Lehre_von_den_Wirkungen_des_galvanischen_Stromes_in_die_Ferne,_1874_%E2%80%93_BEIC_6746637.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/Wiedemann%2C_Gustav_Heinrich_%E2%80%93_Lehre_von_den_Wirkungen_des_galvanischen_Stromes_in_die_Ferne%2C_1874_%E2%80%93_BEIC_6746637.jpg/220px-Wiedemann%2C_Gustav_Heinrich_%E2%80%93_Lehre_von_den_Wirkungen_des_galvanischen_Stromes_in_die_Ferne%2C_1874_%E2%80%93_BEIC_6746637.jpg" decoding="async" width="220" height="343" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/Wiedemann%2C_Gustav_Heinrich_%E2%80%93_Lehre_von_den_Wirkungen_des_galvanischen_Stromes_in_die_Ferne%2C_1874_%E2%80%93_BEIC_6746637.jpg/330px-Wiedemann%2C_Gustav_Heinrich_%E2%80%93_Lehre_von_den_Wirkungen_des_galvanischen_Stromes_in_die_Ferne%2C_1874_%E2%80%93_BEIC_6746637.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a2/Wiedemann%2C_Gustav_Heinrich_%E2%80%93_Lehre_von_den_Wirkungen_des_galvanischen_Stromes_in_die_Ferne%2C_1874_%E2%80%93_BEIC_6746637.jpg/440px-Wiedemann%2C_Gustav_Heinrich_%E2%80%93_Lehre_von_den_Wirkungen_des_galvanischen_Stromes_in_die_Ferne%2C_1874_%E2%80%93_BEIC_6746637.jpg 2x" data-file-width="1178" data-file-height="1837" /></a><figcaption><i>Lehre von den Wirkungen des galvanischen Stromes in die Ferne</i>, 1874</figcaption></figure> <p>In 1854 he left Germany to take on the role of Professor of Physics in <a href="/wiki/Basel_University" class="mw-redirect" title="Basel University">Basel</a>, nine years later he moved to <a href="/wiki/Braunschweig_University_of_Technology" class="mw-redirect" title="Braunschweig University of Technology">Braunschweig</a> and in 1866 to <a href="/wiki/Karlsruhe_Polytechnic" class="mw-redirect" title="Karlsruhe Polytechnic">Karlsruhe</a>. In 1871 he accepted the chair of <a href="/wiki/Physical_chemistry" title="Physical chemistry">physical chemistry</a> at <a href="/wiki/University_of_Leipzig" class="mw-redirect" title="University of Leipzig">Leipzig</a>. The attention he had paid to chemistry in the earlier part of his career enabled him to hold his own in this position, but he found his work more congenial when in 1887 he was transferred to the professorship of physics.<sup id="cite_ref-FOOTNOTEChisholm1911_4-1" class="reference"><a href="#cite_note-FOOTNOTEChisholm1911-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> With <a href="/wiki/Rudolph_Franz" title="Rudolph Franz">Rudolph Franz</a>, Wiedemann developed the <a href="/wiki/Wiedemann%E2%80%93Franz_law" title="Wiedemann–Franz law">Wiedemann–Franz law</a> relating thermal and electrical conductivity in 1853. </p><p><a href="/wiki/August_Hagenbach" title="August Hagenbach">August Hagenbach</a> was one of his students in Leipzig. </p><p>He died in <a href="/wiki/Leipzig" title="Leipzig">Leipzig</a> on 24 March 1899. </p> <div class="mw-heading mw-heading2"><h2 id="Literary_work">Literary work</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Gustav_Heinrich_Wiedemann&action=edit&section=2" title="Edit section: Literary work"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>His name is probably most widely known for his literary work. In 1877 he undertook the editorship of the <i><a href="/wiki/Annalen_der_Physik_und_Chemie" class="mw-redirect" title="Annalen der Physik und Chemie">Annalen der Physik und Chemie</a></i> in succession to <a href="/wiki/Johann_Christian_Poggendorff" title="Johann Christian Poggendorff">Johann Christian Poggendorff</a>, thus starting the series of that scientific periodical which is familiarly cited as <i>Wied. Ann.</i> Another monumental work for which he was responsible was <i>Die Lehre van der Elektricitat</i>, or, as it was called in the first instance, <i>Lehre von Galvanismus und Elektromagnetismus</i>, a book that is unsurpassed for accuracy and comprehensiveness. He produced the first edition in 1861, and a fourth, revised and enlarged, was only completed a short time before his death.<sup id="cite_ref-FOOTNOTEChisholm1911_4-2" class="reference"><a href="#cite_note-FOOTNOTEChisholm1911-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Scientific_research">Scientific research</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Gustav_Heinrich_Wiedemann&action=edit&section=3" title="Edit section: Scientific research"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>But his original work was also important. His data for the <a href="/wiki/Thermal_conductivity" class="mw-redirect" title="Thermal conductivity">thermal conductivity</a> of various metals were for long the most trustworthy at the disposal of physicists, and his determination of the <a href="/wiki/Ohm_(unit)" class="mw-redirect" title="Ohm (unit)">ohm</a> in terms of the specific resistance of <a href="/wiki/Mercury_(element)" title="Mercury (element)">mercury</a> showed remarkable skill in quantitative research. He carried out a number of magnetic investigations which resulted in the discovery of many interesting phenomena, some of which have been rediscovered by others; they related among other things to the effect of mechanical strain on the magnetic properties of the magnetic metals, to the relation between the chemical composition of compound bodies and their magnetic properties, and to a curious parallelism between the laws of <a href="/wiki/Torsion_(mechanics)" title="Torsion (mechanics)">torsion</a> and of <a href="/wiki/Magnetism" title="Magnetism">magnetism</a> (see <a href="/wiki/Wiedemann_effect" title="Wiedemann effect">Wiedemann effect</a>). He also investigated electrical <a href="/wiki/Endosmosis" class="mw-redirect" title="Endosmosis">endosmosis</a> and the electrical resistance of <a href="/wiki/Electrolyte" title="Electrolyte">electrolytes</a>.<sup id="cite_ref-FOOTNOTEChisholm1911_4-3" class="reference"><a href="#cite_note-FOOTNOTEChisholm1911-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Family">Family</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Gustav_Heinrich_Wiedemann&action=edit&section=4" title="Edit section: Family"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In 1851 he married Clara Mitscherlich.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (February 2021)">citation needed</span></a></i>]</sup> </p><p>Their eldest son, <a href="/wiki/Eilhard_Wiedemann" title="Eilhard Wiedemann">Eilhard Ernst Gustav</a>, born in Berlin on 1 August 1852, became professor of physics at <a href="/wiki/University_of_Erlangen" class="mw-redirect" title="University of Erlangen">Erlangen</a> in 1886, and his younger son, <a href="/wiki/Alfred_Wiedemann" title="Alfred Wiedemann">Alfred</a>, born in Berlin on 18 July 1856, was appointed to the extraordinary professorship of <a href="/wiki/Egyptology" title="Egyptology">Egyptology</a> at <a href="/wiki/Bonn" title="Bonn">Bonn</a> in 1892.<sup id="cite_ref-FOOTNOTEChisholm1911_4-4" class="reference"><a href="#cite_note-FOOTNOTEChisholm1911-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Gustav_Heinrich_Wiedemann&action=edit&section=5" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFDudenredaktionKleinerKnöbl2015" class="citation book cs1 cs1-prop-foreign-lang-source">Dudenredaktion; Kleiner, Stefan; Knöbl, Ralf (2015) [First published 1962]. <a rel="nofollow" class="external text" href="https://books.google.com/books?id=T6vWCgAAQBAJ"><i>Das Aussprachewörterbuch</i></a> [<i>The Pronunciation Dictionary</i>] (in German) (7th ed.). Berlin: Dudenverlag. pp. 422, 902. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-3-411-04067-4" title="Special:BookSources/978-3-411-04067-4"><bdi>978-3-411-04067-4</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Das+Aussprachew%C3%B6rterbuch&rft.place=Berlin&rft.pages=422%2C+902&rft.edition=7th&rft.pub=Dudenverlag&rft.date=2015&rft.isbn=978-3-411-04067-4&rft.au=Dudenredaktion&rft.au=Kleiner%2C+Stefan&rft.au=Kn%C3%B6bl%2C+Ralf&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DT6vWCgAAQBAJ&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGustav+Heinrich+Wiedemann" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKrechStockHirschfeldAnders2009" class="citation book cs1 cs1-prop-foreign-lang-source">Krech, Eva-Maria; Stock, Eberhard; Hirschfeld, Ursula; Anders, Lutz Christian (2009). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=E-1tr_oVkW4C&q=deutsches+ausspracheworterbuch"><i>Deutsches Aussprachewörterbuch</i></a> [<i>German Pronunciation Dictionary</i>] (in German). Berlin: Walter de Gruyter. pp. 560, 575, 1053. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-3-11-018202-6" title="Special:BookSources/978-3-11-018202-6"><bdi>978-3-11-018202-6</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Deutsches+Aussprachew%C3%B6rterbuch&rft.place=Berlin&rft.pages=560%2C+575%2C+1053&rft.pub=Walter+de+Gruyter&rft.date=2009&rft.isbn=978-3-11-018202-6&rft.aulast=Krech&rft.aufirst=Eva-Maria&rft.au=Stock%2C+Eberhard&rft.au=Hirschfeld%2C+Ursula&rft.au=Anders%2C+Lutz+Christian&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DE-1tr_oVkW4C%26q%3Ddeutsches%2Bausspracheworterbuch&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGustav+Heinrich+Wiedemann" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/wiedemann-gustav-heinrich">"Wiedemann, Gustav Heinrich | Encyclopedia.com"</a>. <i>www.encyclopedia.com</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.encyclopedia.com&rft.atitle=Wiedemann%2C+Gustav+Heinrich+%26%23124%3B+Encyclopedia.com&rft_id=https%3A%2F%2Fwww.encyclopedia.com%2Fscience%2Fdictionaries-thesauruses-pictures-and-press-releases%2Fwiedemann-gustav-heinrich&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGustav+Heinrich+Wiedemann" class="Z3988"></span></span> </li> <li id="cite_note-FOOTNOTEChisholm1911-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-FOOTNOTEChisholm1911_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-FOOTNOTEChisholm1911_4-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-FOOTNOTEChisholm1911_4-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-FOOTNOTEChisholm1911_4-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-FOOTNOTEChisholm1911_4-4"><sup><i><b>e</b></i></sup></a></span> <span class="reference-text"><a href="#CITEREFChisholm1911">Chisholm 1911</a>.</span> </li> </ol></div></div> <p><b>Attribution:</b> </p> <ul><li><span class="noprint"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png" decoding="async" width="12" height="13" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/18px-Wikisource-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/24px-Wikisource-logo.svg.png 2x" data-file-width="410" data-file-height="430" /></span></span> </span>This article incorporates text from a publication now in the <a href="/wiki/Public_domain" title="Public domain">public domain</a>: <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFChisholm1911" class="citation encyclopaedia cs1"><a href="/wiki/Hugh_Chisholm" title="Hugh Chisholm">Chisholm, Hugh</a>, ed. (1911). "<a href="https://en.wikisource.org/wiki/1911_Encyclop%C3%A6dia_Britannica/Wiedemann,_Gustav_Heinrich" class="extiw" title="s:1911 Encyclopædia Britannica/Wiedemann, Gustav Heinrich">Wiedemann, Gustav Heinrich</a>". <i><a href="/wiki/Encyclop%C3%A6dia_Britannica_Eleventh_Edition" title="Encyclopædia Britannica Eleventh Edition">Encyclopædia Britannica</a></i>. Vol. 28 (11th ed.). Cambridge University Press. p. 621.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Wiedemann%2C+Gustav+Heinrich&rft.btitle=Encyclop%C3%A6dia+Britannica&rft.pages=621&rft.edition=11th&rft.pub=Cambridge+University+Press&rft.date=1911&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGustav+Heinrich+Wiedemann" class="Z3988"></span></li></ul> <div class="mw-heading mw-heading2"><h2 id="Works">Works</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Gustav_Heinrich_Wiedemann&action=edit&section=6" title="Edit section: Works"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation book cs1 cs1-prop-foreign-lang-source"><a rel="nofollow" class="external text" href="https://gutenberg.beic.it/webclient/DeliveryManager?pid=6746637"><i>Lehre von den Wirkungen des galvanischen Stromes in die Ferne</i></a> (in German). Vol. 2. Braunschweig: Vieweg und Sohn. 1874.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Lehre+von+den+Wirkungen+des+galvanischen+Stromes+in+die+Ferne&rft.place=Braunschweig&rft.pub=Vieweg+und+Sohn&rft.date=1874&rft_id=https%3A%2F%2Fgutenberg.beic.it%2Fwebclient%2FDeliveryManager%3Fpid%3D6746637&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGustav+Heinrich+Wiedemann" class="Z3988"></span> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation book cs1 cs1-prop-foreign-lang-source"><a rel="nofollow" class="external text" href="https://gutenberg.beic.it/webclient/DeliveryManager?pid=6749016"><i>Lehre von den Wirkungen des galvanischen Stromes in die Ferne</i></a> (in German). Vol. 2. Braunschweig: Vieweg und Sohn. 1874.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Lehre+von+den+Wirkungen+des+galvanischen+Stromes+in+die+Ferne&rft.place=Braunschweig&rft.pub=Vieweg+und+Sohn&rft.date=1874&rft_id=https%3A%2F%2Fgutenberg.beic.it%2Fwebclient%2FDeliveryManager%3Fpid%3D6749016&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGustav+Heinrich+Wiedemann" class="Z3988"></span></li></ul></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation book cs1 cs1-prop-foreign-lang-source"><a rel="nofollow" class="external text" href="https://gutenberg.beic.it/webclient/DeliveryManager?pid=6751485"><i>Lehre von der Elektricität</i></a> (in German). Vol. 1. Braunschweig: Vieweg und Sohn. 1882.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Lehre+von+der+Elektricit%C3%A4t&rft.place=Braunschweig&rft.pub=Vieweg+und+Sohn&rft.date=1882&rft_id=https%3A%2F%2Fgutenberg.beic.it%2Fwebclient%2FDeliveryManager%3Fpid%3D6751485&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGustav+Heinrich+Wiedemann" class="Z3988"></span> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation book cs1 cs1-prop-foreign-lang-source"><a rel="nofollow" class="external text" href="https://gutenberg.beic.it/webclient/DeliveryManager?pid=6753936"><i>Lehre von der Elektricität</i></a> (in German). Vol. 2. Braunschweig: Vieweg und Sohn. 1883.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Lehre+von+der+Elektricit%C3%A4t&rft.place=Braunschweig&rft.pub=Vieweg+und+Sohn&rft.date=1883&rft_id=https%3A%2F%2Fgutenberg.beic.it%2Fwebclient%2FDeliveryManager%3Fpid%3D6753936&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGustav+Heinrich+Wiedemann" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation book cs1 cs1-prop-foreign-lang-source"><a rel="nofollow" class="external text" href="https://gutenberg.beic.it/webclient/DeliveryManager?pid=6756993"><i>Lehre von der Elektricität</i></a> (in German). Vol. 3. Braunschweig: Vieweg und Sohn. 1883.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Lehre+von+der+Elektricit%C3%A4t&rft.place=Braunschweig&rft.pub=Vieweg+und+Sohn&rft.date=1883&rft_id=https%3A%2F%2Fgutenberg.beic.it%2Fwebclient%2FDeliveryManager%3Fpid%3D6756993&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGustav+Heinrich+Wiedemann" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation book cs1 cs1-prop-foreign-lang-source"><a rel="nofollow" class="external text" href="https://gutenberg.beic.it/webclient/DeliveryManager?pid=6759948"><i>Lehre von der Elektricität</i></a> (in German). Vol. 4. Braunschweig: Vieweg und Sohn. 1885.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Lehre+von+der+Elektricit%C3%A4t&rft.place=Braunschweig&rft.pub=Vieweg+und+Sohn&rft.date=1885&rft_id=https%3A%2F%2Fgutenberg.beic.it%2Fwebclient%2FDeliveryManager%3Fpid%3D6759948&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGustav+Heinrich+Wiedemann" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation book cs1 cs1-prop-foreign-lang-source"><a rel="nofollow" class="external text" href="https://gutenberg.beic.it/webclient/DeliveryManager?pid=7184618"><i>Lehre von der Elektricität</i></a> (in German). Vol. 5. Braunschweig: Vieweg und Sohn. 1885.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Lehre+von+der+Elektricit%C3%A4t&rft.place=Braunschweig&rft.pub=Vieweg+und+Sohn&rft.date=1885&rft_id=https%3A%2F%2Fgutenberg.beic.it%2Fwebclient%2FDeliveryManager%3Fpid%3D7184618&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGustav+Heinrich+Wiedemann" class="Z3988"></span></li></ul></li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Gustav_Heinrich_Wiedemann&action=edit&section=7" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFReiger1910" class="citation cs2 cs1-prop-foreign-lang-source">Reiger (1910), "<a href="https://de.wikipedia.org/wiki/s:ADB:Wiedemann,_Gustav_Heinrich" class="extiw" title="de:s:ADB:Wiedemann, Gustav Heinrich">Wiedemann, Gustav Heinrich</a>", <i><a href="/wiki/Allgemeine_Deutsche_Biographie" title="Allgemeine Deutsche Biographie">Allgemeine Deutsche Biographie</a></i> (in German), vol. 55, Leipzig: Duncker & Humblot, pp. 67–70</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Wiedemann%2C+Gustav+Heinrich&rft.btitle=Allgemeine+Deutsche+Biographie&rft.place=Leipzig&rft.pages=67-70&rft.pub=Duncker+%26+Humblot&rft.date=1910&rft.au=Reiger&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGustav+Heinrich+Wiedemann" class="Z3988"></span></li> <li><a rel="nofollow" class="external text" href="https://mathgenealogy.org/id.php?id=158570">Gustav Heinrich Wiedemann</a> at the <a href="/wiki/Mathematics_Genealogy_Project" title="Mathematics Genealogy Project">Mathematics Genealogy Project</a></li></ul> <div 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href="https://viaf.org/viaf/45078078">VIAF</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="http://id.worldcat.org/fast/1454046/">FAST</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://id.oclc.org/worldcat/entity/E39PBJhhtThtb4wtWWQj6vPhHC">WorldCat</a></span></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">National</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://d-nb.info/gnd/117353590">Germany</a></span></li><li><span class="uid"><span class="rt-commentedText tooltip tooltip-dotted" title="Wiedemann, Gustav Heinrich, 1826-1899"><a rel="nofollow" class="external text" href="https://id.loc.gov/authorities/n82115384">United States</a></span></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://catalogue.bnf.fr/ark:/12148/cb10637856b">France</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://data.bnf.fr/ark:/12148/cb10637856b">BnF data</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://nla.gov.au/anbd.aut-an35291965">Australia</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://aleph.nkp.cz/F/?func=find-c&local_base=aut&ccl_term=ica=xx0188802&CON_LNG=ENG">Czech Republic</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="http://data.bibliotheken.nl/id/thes/p16242454X">Netherlands</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://authority.bibsys.no/authority/rest/authorities/html/2105000">Norway</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://www.nli.org.il/en/authorities/987007271831405171">Israel</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://cantic.bnc.cat/registre/981058529550006706">Catalonia</a></span></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Academics</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://www.mathgenealogy.org/id.php?id=158570">Mathematics Genealogy Project</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://www.scopus.com/authid/detail.uri?authorId=56907448700">Scopus</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://zbmath.org/authors/?q=ai:wiedemann.g">zbMATH</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://www.leopoldina.org/mitgliederverzeichnis/mitglieder/member/Member/show/gustav-wiedemann/">Leopoldina</a></span></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">People</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://trove.nla.gov.au/people/900172">Trove</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://www.deutsche-biographie.de/pnd117353590.html?language=en">Deutsche Biographie</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://www.deutsche-digitale-bibliothek.de/person/gnd/117353590">DDB</a></span></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 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