Galileo Galilei was born on February 15, 1564, in Pisa, Italy. Galileo was the first of seven children of Vincenzio Galilei, a trader and Giula Ammannati, an upper-class woman who married below her class. When Galileo was a young boy, his father moved the family moved to Florence. Galileo moved into a nearby monastery with the intentions of becoming a monk, but he left the monastery when he was 15 because his father disapproved of his son becoming a monk.
In November of 1581, Vincenzio Galilei had Galileo enrolled in the University of Pisa School of Medicine because he wanted his son to become a doctor to carry on the family fortune. Vincenzio thought that Galileo should be able to provide for the family when he died, and his sister would need a dowry soon. Galileo had other plans, and in early 1583 he began spending his time with the mathematics professors instead of the medical ones. When his father learned of this, he was furious and traveled 60 miles from Flo...