1. Inventions and inventors Galileo Galilei born in Pisa on 15 February 1564. The little that, through some letters, is known of his mother, Giulia Ammannati di Pescia, it consists not too rosy a picture. His father, Vincenzo Galilei, Florentine was from a family that had once been illustrious musician vocation, financial difficulties forced him to engage in trade, a profession that led him to settle in Pisa. A man of broad humanistic culture, was a consummate performer and a composer and music theorist, whose books on the subject enjoyed some fame at the time.