Leon Blum (1872-1950) was many things: a socialist and political activist, leader of the Popular Front; a dedicated statesman who served as France's prime minister three times; a hero who courageously opposed anti-Semitism, Nazi aggression, and the p...

In 1898, the Dreyfus Affair plunged French society into a yearlong frenzy. In Paris and provincial villages throughout the country, angry crowds paraded through the streets, threatening to attack Jews and destroy Jewish-owned businesses. Anger about...