Francesco Bianchini

Francesco Bianchini was an Italian philosopher and scientist. He worked for the curia of three popes, including being camiere d'honore of Clement XI, and secretary of the commission for the reform of the calendar, working on the method to calculate the astronomically correct date for Easter in a given year.

13 December 1662

Born on the same birth day (13 December): Annie Dale Biddle Andrews • Jeff Baxter • Josef Lhévinne • Larry Noble (actor) • Maximilien de Béthune, Duke of Sully • Pope Sixtus V • Richard D. Zanuck • Sergei Fedorov • Solomon Feferman • Svetozar Boroević

Born in the same month (December 1662): James Douglas, 2nd Duke of Queensberry