Nadar, the celebrated writer, caricaturist and photographer,…

Nadar, the celebrated writer, caricaturist and photographer, now sixty-six, makes the first “photo interview,” a series of twenty-one photographs of the centenarian French scientist Michel-Eugéne Chevreul in conversation.

Each picture is captioned with Chevreul's responses to Nadar's questions, giving a vivid impression of the scientist's personality.