births
December 13, 1662
Francesco Bianchini, Italian astronomer and philosopher (died 1729)
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.