Born on October 15

Italian physicist and mathematician of the 17th century, student of Galileo. He invented the mercury barometer in 1643 and demonstrated the existence of atmospheric pressure, paving the way for modern experimental physics.

Molière (1622-1673) is the greatest French playwright of the 17th century. Founder of his own theatrical company, he created works of comic genius that critique the flaws and vices of the society of his time.

A nineteenth-century British explorer and writer, Isabella Bird was one of the first women to travel alone in Japan, China, India, Persia, and the American Rockies. She published numerous travel accounts that earned her international recognition and admission to the Royal Geographical Society.

A 19th-century German philosopher, Nietzsche revolutionized Western thought by challenging traditional morality and metaphysics. A central figure in high school philosophy curricula, his concepts of the will to power and the Übermensch remain foundational in the teaching of philosophy.

John Kenneth Galbraith was an American-Canadian economist, a major figure of twentieth-century institutionalism and Keynesianism. A critic of consumer society, he shaped public debate through his books written for a general audience.

Marion Donovan (1917-1998) was an American inventor. In 1946 she designed the “Boater,” the first reusable waterproof diaper cover, and later laid the groundwork for the modern disposable diaper, filing some twenty patents over the course of her life.

French philosopher (1926–1984) who revolutionized the analysis of power, knowledge, and surveillance in modern societies. His work on institutions (prisons, hospitals, schools) profoundly influenced contemporary philosophy and the social sciences.

Nigerian musician and activist