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Galileo Galilei (1564-1642) Galileo Galilei was born near Pisa, Italy, on February 15, 1564 (Drake). Galileo was the first child of Vincezio Galiei, a merchant and a musician (Jaki 289). In 1574, Galileo’s family moved from Pisa to Florence, where Galileo started his formal education (Jaki 289). Seven years latter, in 1581, Galileo entered the University of Pisa as a medical student (Drake). In 1583, home on vacation from medical school, Galileo began to study mathematics and physical sciences (Jaki 289). A Family friend and professor at the Academy of Design, Ostilio Ricci, worked on translating some of Archimedes, which Galileo read and became interested in. This is where Galileo got his deep interest in Archimedes (Jaki 289). When returning to medical school, medical school became less appealing to Galileo, and his deep interests in Archimedes and mathematics drew him in, Galileo left without a degree in 1584 (Drake). Starting his studies, in 1585, in Aristotelian physics and cosmology, Galileo had to leave the University of Pisa before he got his degree, because of financial problems (Jaki 289). Going back to Florence, Galileo spent three unsuccessful years looking for a teaching position (Jaki 289). During this time Gali Continue...

He would accept wearing ordinary clothes, but he rather that it would be the best to be naked (Jaki 289). In 1632, the Dialogue caused Galileo to be brought before inquisition for the second time because of his belief and teaching of Copernicus' doctrine (Jaki 291). With the new invention of the telescope Galileo was able to see 40x (Jaki 290). The inquisition pardoned Galileo because Galileo was a loyal Catholic who remained loyal throughout this entire ordeal. What he proposed was the law of free fall, later written as s (gt2), where s is the distance, t is time, and g is the acceleration due to gravity at sea level (Jaki 290). Galileo went back to his professorship at the University of Padua. These writing made him break away from Aristotelian physics and start his own route through physical theories. This invention secured him a life long contract at the University of Padua (Jaki 290). These writings were circulated in manuscript form only, but they made Galileo well known in the scientific community. Galileo wanted to be the sole contributor to modern physics and astronomy. "He often visited Venice and made many influential friend, among them Giovanfrancesco Sagredo, whom he later immortalized in the Dialogue as the representative of judiciousness and good sense (Jaki 289). The published his work a book similar Two New Sciences.