1864-1926 • France
Dreyfus Affair • Socialist
Socialist and philosopher who helped persuade many leading figures to support the Dreyfus campaign
One of the best read socialists in France this chief librarian (from 1888 to 1926) at the elite École Sormale Supérieure university at 45 rue d’Ulm persuaded many key figures, such as Jaurès and Blum to become socialists and then to defend Dreyfus.
He helped found L’Humanité in 1904 and joined the SFIO in 1905.