Standing, from left to right: Marthe Baillaud (niece of <a href="https://en.wikipedia.org/wiki/Jules_Tannery" class="extiw" title="w:Jules Tannery">Jules Tannery</a>) and <a href="https://en.wikipedia.org/wiki/Anna_Cartan" class="extiw" title="w:Anna Cartan">Anna Cartan</a>. Sitting: Madeleine, <a href="https://en.wikipedia.org/wiki/Marie_Curie" class="extiw" title="w:Marie Curie">Marie Curie</a> and <a href="https://en.wikipedia.org/wiki/Eug%C3%A9nie_Cotton" class="extiw" title="w:Eugénie Cotton">Eugénie Cotton</a>.
Unknown author<span style="display: none;">Unknown author</span>
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