Jacopo Dondi dall'Orologio

Jacopo Dondi dall'Orologio (1290–1359), also known as Jacopo de' Dondi, was a doctor, astronomer and clock-maker active in Padua, now in the Veneto region of Italy. He is remembered as a pioneer in the art of clock design and construction. He was the father of Giovanni Dondi dall'Orologio. Jacopo Dondi wrote on a number of subjects, including surgery, pharmacology, astrology and natural science.