Galileo Galilei was born in Pisa (then part of the Duchy of Florence), Italy, on 15 February 1564, the first of six children of Vincenzo Galilei, a famous lutenist, composer, and music theorist, and Giulia (née Ammannati), who had married in 1562. Galileo became an accomplished lutenist himself and would have learned early from his father a scepticism for established authority, the value of well-measured or quantified experimentation, an appreciation for a periodic or musical measure of time or rhythm, as well as the results expected from a combination of mathematics and experiment. Three of Galileo's five siblings survived infancy. The youngest,
Galileo Galilei Institute for Theoretical Physics Galileo Galilei Institute for Theoretical Physics The Galileo Galilei Institute for Theoretical Physics (GGI) is a research institute near Florence, Italy. It "organizes and hosts small-size advanced workshops in theoretical particle physics in its broadest sense." Each workshop is devoted to a specific topic at the forefront of current research. During its typical duration of 2–3 months it hosts about 10 to 30 participants selected among those most active in the field within the international community. The purpose of each workshop is to foster discussions, confrontation of ideas, and collaborations among participants. As in similar Institutes, the aim is to