Born on October 21

Jean Bart (1650-1702) was a privateer and naval officer from Dunkirk in the service of Louis XIV. Born into a family of sailors, he distinguished himself through his victories against the English and Dutch fleets and was raised to the nobility by the king.

American-Canadian physician and researcher in microbiology and immunology. In 1944, together with Colin MacLeod and Maclyn McCarty, he demonstrated that DNA is the carrier of heredity, laying one of the foundations of molecular genetics.

An American jazz trumpeter, composer, and bandleader, Dizzy Gillespie was, alongside Charlie Parker, one of the principal founders of bebop in the 1940s. A trumpet virtuoso recognizable by his bent-bell horn and his puffed-out cheeks, he was also a pioneer of Afro-Cuban jazz.

Ursula K. Le Guin (1929–2018) was an American science fiction and fantasy author, known for her philosophical and feminist works. Her novel *The Left Hand of Darkness* (1969) explores questions of gender and otherness. She is one of the major figures of imaginative literature in the 20th century.