Lucien Herr was the director of the library of the Ecole Normale Sup rieure, the leading academic institution of France, from 1888 to 1926.
He had the option of a career as a professor, with all of the privileges that it would have accorde.
From his citadel in the library, he influenced the thinking of France\'s emerging Socialist leaders, Jean Jaur s and L on Blum.
In addition to being a library innovator of the time, he was an influential Socialist and an early voice in the Dreyfus Affair.
Lucien Herr was the director of the library of the Ecole Normale Sup rieure, the leading academic institution of France, from 1888 to 1926