Christopher Clavius

Type: Person

As of November 2026, Christopher Clavius has been mentioned in one podcast episode on Duncan Trussell Family Hour (Jan 2026).

Christopher Clavius, was a Jesuit German mathematician and physicist, head of mathematicians at the Collegio Romano, and astronomer who was a member of the Vatican commission that accepted the proposed calendar invented by Aloysius Lilius, that is known as the Gregorian calendar. Clavius would later write defences and an explanation of the reformed calendar, including an emphatic acknowledgement of Lilius' work. In his last years, he was probably the most respected astronomer in Europe and his t