Vera Popova - chemist - based on en:wiki screenshots
<a href="//commons.wikimedia.org/wiki/User:Victuallers" title="User:Victuallers">Victuallers</a>, Unknown author<span style="display: none;">Unknown author</span>, and the authors of <a href="https://en.wikipedia.org/wiki/Vera_Yevstafievna_Popova" class="extiw" title="en:Vera Yevstafievna Popova">en:Vera Yevstafievna Popova</a>
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Own work based on: <a class="external free" href="https://en.wikipedia.org/w/index.php?title=Vera_Yevstafievna_Popova&amp;oldid=850481282">https://en.wikipedia.org/w/index.php?title=Vera_Yevstafievna_Popova&amp;oldid=850481282</a> and <a href="//commons.wikimedia.org/wiki/File:Vera_Bogdanovskaia.png" title="File:Vera Bogdanovskaia.png">File:Vera Bogdanovskaia.png</a>