Born on This Day: January 15

French playwright and actor whose comedies transformed theater through enduring satire of hypocrisy, pretension, and social convention.

French political thinker whose writings on property, federalism, and mutualism profoundly influenced anarchist and socialist thought.

British physician and reformer who helped open medical education and professional practice to women.

Hungarian-American physicist whose work shaped nuclear physics, national defense policy, and debates over scientific responsibility.

Egyptian president whose nationalism, social reforms, and leadership of the non-aligned movement reshaped the modern Arab world.

American civil-rights leader whose nonviolent campaigns helped dismantle legal segregation and expand voting and civil rights.