- Category : 1864-births
- Type : GP
- Profile : 1/3 - Investigating / Martyr
- Definition : Split - Large
- Incarnation Cross : RAX Laws 4
French intellectual, librarian at the École Normale Supérieure in Paris, and mentor to a number of well-known socialist politicians and writers, including Jean Jaurès and Charles Péguy. He was a leading strategist in the Dreyfusard cause (seeking to overturn the wrongful conviction for treason of Captain Alfred Dreyfus).
He died on 18 May 1926, aged 62, in Paris.