CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "earlydesigneducation.gsd.harvard.edu",cType: 'managed',cRay: '917ce0afc91781b3',cH: 'pgFbicN9FqYC6X6MwipNC2dizw89mYSajzqrCpEwvoA-1740540848-1.2.1.1-ThdYVydCGurKdLmUg8vX4nGVjHSh11nYz2a6Uj0jnT5Vdke4hN_ryiGX1yiqkKN8',cUPMDTk: "\/?__cf_chl_tk=H8VR1YqPdVY2PAtJL0CSkQCQsSVZ.oD5tuYh7bBpdZA-1740540848-1.0.1.1-D5QmA4P3iTR2de2G7x6mvDkRXU5rGwsl3QvWuCp9NDU",cFPWv: 'b',cITimeS: '1740540848',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/?__cf_chl_f_tk=H8VR1YqPdVY2PAtJL0CSkQCQsSVZ.oD5tuYh7bBpdZA-1740540848-1.0.1.1-D5QmA4P3iTR2de2G7x6mvDkRXU5rGwsl3QvWuCp9NDU",md: "PdcSlYdK0k.8t.bkiRW.CwmBNtQVKhzUy315iFtIRdM-1740540848-1.2.1.1-awff0_dGjNU.nowyG920wom2DAxvBqgUGUuPpL.FANXpGCyAvYGAe1dGk48Q3E3ASxwRwvUc_Tav7VbWnpNGZbO0qBKNRP2TTo2L02Kp_.M8B2V7WS.NmuEC27f0KabCYjcQdzKLLMw_iRZJfIVu3i6FXrKAhemFycLdt11Ld2XKc4D8K8e.4b1m_rTdwKRfULu9Kx1BhG076YIMQKWVTXfbjXqPzxOE6XBvheuJoJ6OufOCejbarjkcr8UgYtV68T_FqrkFH3EeqRqNgh6Mm2wK4sV4yZcXizFb7fZFv0xw4au9wQLO59y8LNDzBXqPag5RQEBTVWC36Tk7.F_BKpxd_cGJm4uyas9PdKiV0N.tDxLYRrX0.mKwYeIcpCaYfs4Y9OKRaPNnJW5QKpousX8d.g4jMoUEd9mkeFytepS999kpog7B_UAHS7_Guu7jL2B4TIevTUrr_EWXPtLgZO7vWLmiYPPykilCgusUeU2IyC9vH1cjhDbhqnxsXBJBkebjDguV6gZ0n8EkjuXjhaliNleMw1fTjmFjCmb7VkS_KtsGDo_.rI52fOvBRUQIlcNOQsSDGkZfDf7GVryC9Nh8Eijkc5u6YIhO68CKY1h8Qt59Sv9MxZ8Q7ieLgYsDGl63I9DgOdYUDREF9I1khshHfcQGRQNj5uJ4noCfmB3lDwzDu_MyhKCDp0i0uC9Fn_7LC1WL1e00TBudktMh9RKB5EFNly7vx8veNXT.1e6JfRE4YI22jiDQr4f9xhnmCfLtIuKHblfJQhsKWOA5.ehESlwaG9VlA.mni0ZpgFPr7mJt9OMX5sK.RT4upeaP0RIPQxEg3lf1SY57HHz9X9xMbzAxpJ2jPeFypEXA3oglYxcGZDIVYSXasNTXvJlH.wz5lQZBkIyPqk2CGtBcGajfgV0Jfrj1dV8jJb_Wn3CxxUOPh5qpyck6HDO.FOCkJ03Y3Xpg5sDLkjPV7COCNuzNBZMGbmM5cUpyJyHiBUvhfo2aG2j2wHQWX9vo214apQXhOCXHJSe7kC_IQ.CTdRq8.tgX7nGeqBVjaCPoUPfm8FB6TCbuvHkcoiEMqneOEdT1Abeg5SgUYmaWTzIO5PqOWz5LQJwMgcnHt0wwrn5HmFu9Ie_0jb3tLaan8josjL82R9.cw9kaJCS9yB8vojT93VvN6snJzl6Y3ZxZXKBQyTdYFNhIBbg5SVR__wikSGazO7LWJqyjpwbHRBGvlG8PY.dvt4x3n189F85g8BrdHVyxt2nPIzi0IF6zYaypHM0KyDRTWawJsHEvB4XbSPe4OP7en0A45r5SN6WWMMQ_HTS784hDm4a.e649sH8mmZ3DOD5DMrg4228S0zTNpC210pf3QrmFvHnSiD5TE5umEyK0niwU2yJYBaXMwQT2DLyjNU3HykQTjMTqvHSsiWQtPakmnG5p2eHcnBhXOyuYTkr_._nrqtx7bYfK7sm7_BwK3aqXxwUo0pLK2lF5HucnJYITxn0auaqpVzfpEXGI0edd8JI5EmnHODm1ozYYa1axAxoHdFB16w4jAFBfIpgp7qcrs_n9lcwUXZX.YPxpsW_GwaR_93hMNmVkWYzPcy20WlsL7z1ixKdS7vGExD_lTsqy9UKCEXQs7kbf4TTKb2_kU3ebWii9yKqQTc84rRaffG0PURuEQir5.6CzRkRw_jiHAv2LAkIjlL.S669kdom8NdHFP93PVMPghTd1ON.wbe5DIxIfGHnj.j3UapSYXz0hY.BSUd6.fCmJRP3wATFHd5ZkXHY1OieHMx8RqCQSa3nzHCU5i6eyzoh7GfduokuuHVpNgnzrGbMCilN9YTDmx.xyiRDfu8qAGxE.QIJdvKC10vks1SVRBx9Z.hrKJdgiu1C4GSf7e.I.uuBm0lkXZtmLhUnkp9_ybdIIUNL6hxEOaGyxOM65R7RF7tpdYYnHCAlezSG57502Z7TaX0KtrdNXNhkd0fuJbrOyfEdUgcGa30HyT04gFeVdQDDVLSA1S8nOv5qyCFuJ9oz2gnaolZifrupI7FXy_ufGIU4P5SWktiPSI.W2c.LgXoLSI7k1Kd.Og4lLu_OxATv1Da5yH9EAGF4KKdQenl9IqH94mQSf.ReFl5sPTo6XzrDUeQSj5RwYjaHK2.eIVSANpd6j6KQfrAF2CvUKJN.2WyV9cUle44.hBUDAVzvRFCqQUhlmX2dkJwye3dpiR6bjaPV8eFk3WLQ2Fv8g2yR8VC1zze2s53SxfbsjYb7Hs8yEMVBiS32PoOUZI9ksGwiO9AkyX4CC5xWrWU_y0Fj_YYOZT8lybG3AV5IezzcNnlZcGoX5rTg3_IAvUetzNe22SAWd60MDNLdx8mOk3m69DF2PWi9g4oK9GqCmSys_ny_su49PgR.t7avH_Vw.WoBOTEJ9_VSI7HLjkbIgfOpca222fx6zhrlJ0E9d2vBUfQR6TEifezlKpanu9VuCkTcAd6967YNAZNN8S_UIFpRtfhkB68olR_JXP8k.ECgXshKf5s_0sBQ563WvNWvgF3wYHeh2VlpBNbxm09Z10eii",mdrd: "9oZ5Awasnc_KBH0fvakIaOSx0QfhgQO2oFoGVZdvZto-1740540848-1.2.1.1-KWzQjYz0NHGj5MiX1t1.bxzv_1xqhlBQf5OuSmkP1i0kfsywY_o5rxaONJki0V59reeC2tPZpO5SSf8wjZX.YsOvpsHtg6y4NWVhQftQovS5GRDXS2wLRwo863QGvPG6NpQWR4DauPXUUPft6ajpFTn6AJY2zvbRcQYLnFdKNVvjluM5A_QxGbvSE0jwIbs6Fjw6rICk689Tci40.ZY6dMEh5aLwLhAIJt.5w0qBsWBlm1fTXE_PSlz4zxJXVgommYtBr1ymkFhX7qeko97zIpVFMMR3pmcwZvGOrqh5bVkiiGVmqYH7CY4QzQ7Qrl4jGIjiRuaCqx8cKoZ3mOferT4BpO9HZ2vV2sgcy5lbj1CZ.eVx4_yoLLK9GsPt3W8ohBj_Enq9uDV722nvIjMDj81hc9_.YyCWJgndiF7PJSqbgjrlK9TYHCImeZHkd6YzcKpkEp8kHgshT6naTZB3aDxqU_W_IGjXbA3mMrO_HBjPugylXBOMa7SpubO.ffPS_TGh94TshnZLWE_mqHa25s2cNuAnu98sEj3yaDPKCqHmkMy7UOcWIv_Bf_tdhKkkCyhskHovgjYYAus6sarxChTfMRrNpnJnthJOpaWbIqmOQndIhBM5Ia4YoBh8HFwhhfgtG31nc39rCuoi9UkmonmkpTxt18K0zLwWs6xW1c9.spuOgpd35WWMD0nHAzIBD2FpxayypH9MQ8.CDjw7qdLHwoOo.kBlVGvsHnQssCHzN9VB51JANGQRrfY_sipzaA8kAqeu.URP5h0hZvmj5bD3XQsAcYixSYE.91YEn3lq2F.kG5M0UnbHuQUqDJOob0qmG8SL43bZr2W6owAokMV.LiPuI6Pt7KbjTTOoKEu09ExGvORNczTPSWyqxSnQZjFsC8Cs2OcYnK4u7UWhCX7k0dbfMg.NymAmmaqG32mddf3Nrd0GbMCUp2_SUeYHZYODgzDZRh.4s8JmXp8l3o0acNnxGoHwe8R2VZtCXJdAHu1_cPnM_BwhymMe6Y11MCaJgSMa9PlGACTyTXo1Jmhbzw1S8vFWmyalBFV5dieR0tkJUlPEu3rFzTirrB.riUeUwujJhlKj3CZG93b7VeywtadoOzJpOkDv_BNQmb.m_3QUGyVWLxjUnFV52tVWK9iPwpqpx1DXDFRvzxnE9pSFvuVga3MkuqemaZHHnzDHWUXR54p9mHIke429RXwcMxn3zEY8l96NLw1xuQyit5bDJeKXwjgHVtlKUygFlRzh_i1Q8jceZN0TYtePLyc79a0zPq6gOxqLZbMLAqmCRd1iT8Ukk4QNqG6FTjc.pJYZpe_Czc.JxeafXCxxoszbGl39hnkfzJYcQMBVCcsbPole5i_PHRAkm5WSld8aELudCg1hqF67BsYfuXkkayoBfFfnJk3Ly9qq5HEzsHinjN7Q.Slt2yk0bU7ExA8uYfN3EqXv6KZwGpjzAVxyTcEDjYQgBb6VmeLVeHjptcjnTn6PIjZqA1eZVLiWab1OJpeLvvZYKmm5LtqMTCYqdIBixcN.6N3lJqRhz.qn1sXEvtUXOQv8AGQ34SUYPWuw2CNgVIqFsNlkg9msyBIrifCITDH5P5SgW4YbZ3iY7NGH8B7U.Z2y6CGh3PjwV1u57cbMhCxaCd9bND462ZsLArr0E0_vHGEe4tTqvajcIqlw.njenNziEkxKB6efWWUdRfmNlv4JtgMcBNUyUhWHj9ye1J1BIrxqufQQQS4VHtVvmicwe8AS5ILWv1Nw3vQpvhZpzI2VnUCt79QfcZD0FD5VgLsnzhwhsNb8j20dMIbfkOJlIUbNro7R6XjCrnv_CttinZZ2kqAKOO8mM_2II7y9yln5yxC1TLvHFTTZdF72Ys7hFfJZybKlcjLpZcvPp2iSSEzYGSsnpTfe7i9GauFATu5L4EyP.tS5vRUnNw88QWF0S.MManJiEH2xiyeiWvd0LAGitKNtCyukYsHjaoLiz3mn8T8D155y1GQ5xl8_wjWi_SU57C.LPvFwAUbu8ZOzHzExINTgM9VMdKj1JLGh"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=917ce0afc91781b3';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/?__cf_chl_rt_tk=H8VR1YqPdVY2PAtJL0CSkQCQsSVZ.oD5tuYh7bBpdZA-1740540848-1.0.1.1-D5QmA4P3iTR2de2G7x6mvDkRXU5rGwsl3QvWuCp9NDU" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>