<div class="description">
Sepia-toned photograph of seven chemists at work in the physical chemistry lab at the University of Leipzig. Chemists in the photograph are identified by handwritten inscriptions on the photo from left to right as George Augustus Hulett (1867-1955), "Philipps," Samuel Lawrence Bigelow (1870 - 1947), "Farka," "Calame," "Peters," and Carl Knüpffer.</div>
circa 1900 <div style="display: none;">date QS:P571,+1900-00-00T00:00:00Z/9,P1480,Q5727902</div>
This file was contributed to Wikimedia Commons by <a href="https://en.wikipedia.org/wiki/en:Science_History_Institute" class="extiw" title="w:en:Science History Institute"><span title="library, museum, and archive in Philadelphia, United States">Science History Institute</span></a> as part of a cooperation project. The donation was facilitated by the <a href="https://en.wikipedia.org/wiki/Digital_Public_Library_of_America" class="extiw" title="w:Digital Public Library of America">Digital Public Library of America</a>, via its partner PA Digital.<span style="text-align:left">
<ul><li><a rel="nofollow" class="external text" href="https://digital.sciencehistory.org/works/qoi938d">Record in source catalog</a></li>
<li>DPLA identifier: <a rel="nofollow" class="external text" href="https://dp.la/item/cb61186b358e99d5f4ccf12a28e109c8">cb61186b358e99d5f4ccf12a28e109c8</a></li>
<li>Science History Institute identifier: padig:SHI-qoi938d</li></ul></span>