Sylvie_Petiaux

Sylvie Pétiaux (née, Pétiaux-Hugo; after first marriage, Mathieu; after second marriage, Flammarion; pen name, Sylvio Hugo; November 28, 1836 – February 23, 1919) was a French feminist and pacifist. She was the wife of the astronomer, Camille Flammarion, and collaborator with him in much of his astronomical work. She was a Prix Jules Janssen laureate in 1902.