Nadar

Sarah Bernhardt (October 22, 1844 – March 26, 1923) was a French stage and early film actress, and has been referred to as "the most famous actress the world has ever known".  Photograph by Nadar.

In À la Recherche du Temps Perdu she is mentioned by her real name and as the fictional Berma, an actress that Marcel is finally taken to see in a matinee by his grandmother.