 | This article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. (April 2023) |
Lucien Herr (17 January 1864 – 18 May 1926) was a 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).