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mw-list-item"><a href="https://en.wikipedia.org/wiki/Boyan_Petrov" title="Boyan Petrov – English" lang="en" hreflang="en" data-title="Boyan Petrov" data-language-autonym="English" data-language-local-name="English" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%B2%D5%B8%D5%B5%D5%A1%D5%B6_%D5%8A%D5%A5%D5%BF%D6%80%D5%B8%D5%BE" title="Բոյան Պետրով – Armenian" lang="hy" hreflang="hy" data-title="Բոյան Պետրով" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%A8%D9%88%D9%8A%D8%A7%D9%86_%D9%BE%D9%8A%D8%AA%D8%B1%D9%88%DA%A4" title="بويان پيتروڤ – Egyptian Arabic" lang="arz" hreflang="arz" data-title="بويان پيتروڤ" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" 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.mw-parser-output .infobox-header,body.skin-minerva .mw-parser-output .infobox-subheader,body.skin-minerva .mw-parser-output .infobox-above,body.skin-minerva .mw-parser-output .infobox-title,body.skin-minerva .mw-parser-output .infobox-image,body.skin-minerva .mw-parser-output .infobox-full-data,body.skin-minerva .mw-parser-output .infobox-below{text-align:center}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data div{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data div{background:#1f1f23!important;color:#f8f9fa}}</style><table class="infobox biography vcard"><tbody><tr><th colspan="2" class="infobox-above" style="font-size:125%;"><div class="fn" style="display:inline-block">Boyan Petrov</div></th></tr><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Boyan_Petrov_(cropped_head_shot).jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/29/Boyan_Petrov_%28cropped_head_shot%29.jpg/220px-Boyan_Petrov_%28cropped_head_shot%29.jpg" decoding="async" width="220" height="277" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/29/Boyan_Petrov_%28cropped_head_shot%29.jpg/330px-Boyan_Petrov_%28cropped_head_shot%29.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/29/Boyan_Petrov_%28cropped_head_shot%29.jpg/440px-Boyan_Petrov_%28cropped_head_shot%29.jpg 2x" data-file-width="1201" data-file-height="1514" /></a></span><div class="infobox-caption">During the presentation of his book "The First Seven", February 6, 2017.</div></td></tr><tr><th scope="row" class="infobox-label">Born</th><td class="infobox-data"><span style="display:none">(<span class="bday">1973-02-07</span>)</span>February 7, 1973<br /><div style="display:inline" class="birthplace"><a href="/wiki/Sofia" title="Sofia">Sofia</a>, <a href="/wiki/Bulgaria" title="Bulgaria">Bulgaria</a></div></td></tr><tr><th scope="row" class="infobox-label">Disappeared</th><td class="infobox-data">May 5, 2018 (aged 45)<br /><a href="/wiki/Shishapangma" title="Shishapangma">Shishapangma</a>, <a href="/wiki/Tibet_Autonomous_Region" class="mw-redirect" title="Tibet Autonomous Region">Tibet</a>, <a href="/wiki/China" title="China">China</a></td></tr><tr><th scope="row" class="infobox-label">Status</th><td class="infobox-data"><a href="/wiki/Missing_person" title="Missing person">Missing</a> for 6 years, 6 months and 1 day</td></tr><tr><th scope="row" class="infobox-label">Nationality</th><td class="infobox-data category"><a href="/wiki/Bulgarians" title="Bulgarians">Bulgarian</a></td></tr><tr><th scope="row" class="infobox-label">Occupation(s)</th><td class="infobox-data role">Mountaineer, zoologist</td></tr><tr><th scope="row" class="infobox-label">Known for</th><td class="infobox-data">Climbing 10 out of the 14 eight-thousanders without supplementary oxygen</td></tr></tbody></table> <p><b>Boyan Petrov</b> (<a href="/wiki/Bulgarian_language" title="Bulgarian language">Bulgarian</a>: <span lang="bg">Боян Петров</span>, 7 February 1973<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> – <abbr title="circa">c.</abbr><span style="white-space:nowrap;"> 5 May 2018</span>) was a <a href="/wiki/Bulgaria" title="Bulgaria">Bulgarian</a> <a href="/wiki/Zoologist" class="mw-redirect" title="Zoologist">zoologist</a> and <a href="/wiki/Mountaineer" class="mw-redirect" title="Mountaineer">mountaineer</a>. He worked at the <a href="/w/index.php?title=National_Museum_of_Natural_History_(Bulgaria)&action=edit&redlink=1" class="new" title="National Museum of Natural History (Bulgaria) (not yet started)">National Museum of Natural History</a> in <a href="/wiki/Sofia" title="Sofia">Sofia</a>.<sup id="cite_ref-npnm_2-0" class="reference"><a href="#cite_note-npnm-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>He had climbed 10 out of 14 <a href="/w/index.php?title=Eight-thousander&action=edit&redlink=1" class="new" title="Eight-thousander (not yet started)">eight-thousanders</a>, all without supplementary oxygen. This made him the Bulgarian altitude climber with the highest number of successful ascents of peaks over 8000 meters. He was the first Bulgarian to climb four of those mountains - <a href="/wiki/Gasherbrum_I" title="Gasherbrum I">Gasherbrum I</a> (2009), <a href="/wiki/Kangchenjunga" title="Kangchenjunga">Kangchenjunga</a> (2014), <a href="/wiki/K2" title="K2">K2</a> (2014) and <a href="/wiki/Manaslu" title="Manaslu">Manaslu</a> (2015). </p><p>Petrov was declared missing on <a href="/wiki/Shishapangma" title="Shishapangma">Shishapangma</a> on 5 May 2018. The search for him was discontinued on 16 May.<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> According to climbers, he may have fallen into a crevasse on the way to the top.<sup id="cite_ref-4" class="reference"><a href="#cite_note-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=Boyan_Petrov&veaction=edit&section=1" title="Change section: References" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Boyan_Petrov&action=edit&section=1" title="Edit section's source code: References"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r9724317">.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"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r9724332">.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 class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.dnes.bg/obshtestvo/2018/05/16/krai-na-operaciiata-boian-ostava-zavinagi-pod-shisha-pangma.376595">"Край на операцията... Боян остава завинаги под Шиша Пангма! - Dnes.bg"</a>. <i>www.dnes.bg</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.dnes.bg&rft.atitle=%D0%9A%D1%80%D0%B0%D0%B9+%D0%BD%D0%B0+%D0%BE%D0%BF%D0%B5%D1%80%D0%B0%D1%86%D0%B8%D1%8F%D1%82%D0%B0...+%D0%91%D0%BE%D1%8F%D0%BD+%D0%BE%D1%81%D1%82%D0%B0%D0%B2%D0%B0+%D0%B7%D0%B0%D0%B2%D0%B8%D0%BD%D0%B0%D0%B3%D0%B8+%D0%BF%D0%BE%D0%B4+%D0%A8%D0%B8%D1%88%D0%B0+%D0%9F%D0%B0%D0%BD%D0%B3%D0%BC%D0%B0%21+-+Dnes.bg&rft_id=https%3A%2F%2Fwww.dnes.bg%2Fobshtestvo%2F2018%2F05%2F16%2Fkrai-na-operaciiata-boian-ostava-zavinagi-pod-shisha-pangma.376595&rfr_id=info%3Asid%2Fsimple.wikipedia.org%3ABoyan+Petrov" class="Z3988"></span></span> </li> <li id="cite_note-npnm-2"><span class="mw-cite-backlink"><a href="#cite_ref-npnm_2-0">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.nmnhs.com/petrov-boyan-en.html">Boyal Petrov</a>, NMNHS</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.dreamwanderlust.com/news/the-final-report-puts-to-rest-all-speculations-surrounding-the-boyan-petrov-search-operation">"The final report puts to rest all speculations surrounding the Boyan Petrov Search Operation"</a>, "Dream Wanderlust", 17.05.2018.</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r9724332"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.novinite.com/articles/190127/Boyan+Petrov%27s+Team%3A+The+Rescue+Operation+is+Over">"Boyan Petrov's Team: The Rescue Operation is Over"</a>. Novinite.xom. 16 May 2018<span class="reference-accessdate">. Retrieved <span class="nowrap">17 May</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Boyan+Petrov%27s+Team%3A+The+Rescue+Operation+is+Over&rft.pub=Novinite.xom&rft.date=2018-05-16&rft_id=http%3A%2F%2Fwww.novinite.com%2Farticles%2F190127%2FBoyan%2BPetrov%2527s%2BTeam%253A%2BThe%2BRescue%2BOperation%2Bis%2BOver&rfr_id=info%3Asid%2Fsimple.wikipedia.org%3ABoyan+Petrov" class="Z3988"></span></span> </li> </ol></div></div> <div class="boilerplate metadata plainlinks" id="stub"><span typeof="mw:File"><a href="/wiki/File:Crystal_Clear_app_Login_Manager.png" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Crystal_Clear_app_Login_Manager.png/20px-Crystal_Clear_app_Login_Manager.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Crystal_Clear_app_Login_Manager.png/30px-Crystal_Clear_app_Login_Manager.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Crystal_Clear_app_Login_Manager.png/40px-Crystal_Clear_app_Login_Manager.png 2x" data-file-width="128" data-file-height="128" /></a></span> <i>This <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">short article</a> about a <a href="/wiki/Category:People_stubs" title="Category:People stubs">person</a> or group of people can be made longer. 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