He was born on February 15, 1564, in Pisa, Italy. Galileo Galilei was a math professor who made pioneering observations of nature with long lasting implications for the study of physics. In 1583, Galileo entered the University of Pisa to study medicine. Armed with high intelligence and talent, he soon became fascinated with many subjects, particularly mathematics and physics. Galileo continued to study mathematics, supporting himself with minor teaching positions. Galileo quickly found a new position at the University of Padua, teaching geometry, mechanics and astronomy. The appointment was fortunate, for his father had died in 1591, leaving Galileo entrusted with the care of his younger brother Michelagnolo. In July 1609, Galileo learned about
