Giovanni Girolamo Saccheri

Giovanni Girolamo Saccheri was an Italian Jesuit priest, scholastic philosopher, and mathematician. He is considered the forerunner of non-Euclidean geometry.

5 September 1667

Born on the same birth day (5 September): Benita Ferrero-Waldner • Chip Davis • Claudette Colvin • Elena Delle Donne • Fred McCarthy (cartoonist) • Giacomo Meyerbeer • Lars Danielsson • Lauren Jeska • Liam Lynch (musician) • Luis Alcoriza • Mel Collins • Milinko Pantić • Tatiana Gutsu

Born in the same month (September 1667): Jean-Louis Lully