Francesco Bianchini, Italian astronomer and philosopher (d. 1729)
Francesco Bianchini (13 December 1662 – 2 March 1729) 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.