A class at the Lycée Pierre-Corneille, Rouen 1902, <a href="https://en.wikipedia.org/wiki/Robert_Antoine_Pinchon" class="extiw" title="w:Robert Antoine Pinchon">Robert Antoine Pinchon</a> (second row, right) and <a href="https://en.wikipedia.org/wiki/Marcel_Duchamp" class="extiw" title="w:Marcel Duchamp">Marcel Duchamp</a> (third row, left, out of focus). On Pinchon's right is very likely <a href="https://en.wikipedia.org/wiki/Pierre_Dumont_(painter)" class="extiw" title="w:Pierre Dumont (painter)">Pierre Dumont</a>.
Anonymous or unknown photographer
circa 1896 <div style="display: none;">date QS:P,+1896-00-00T00:00:00Z/9,P1480,Q5727902</div>
<a rel="nofollow" class="external text" href="https://books.google.es/books?id=u2v3xkP3ekEC&amp;pg=PA271&amp;lpg=PA271&amp;dq=marcel+duchamp,+robert+pinchon,+Lyc%C3%A9e+Corneille,+1902&amp;source=bl&amp;ots=jP0Fy_8iW0&amp;sig=3K1kCgUsC3UiX1n4llegurdeHXI&amp;hl=en&amp;sa=X&amp;ei=Cj9gUtuUJOLF7AbZhIGwAQ&amp;ved=0CBgQ6AEwAA#v=onepage&amp;q=marcel%20duchamp%2C%20robert%20pinchon%2C%20Lyc%C3%A9e%20Corneille%2C%201902&amp;f=false">Guy Pessiot, Histoire de Rouen: 1900-1939 en 800 photographies, Editions PTC, 1982</a>