A young Galileo is perched atop the Leaning Tower of Pisa. He is in the middle of his famous experiment—the one in which he shows, by dropping cannonballs of different weights, that all objects ...

Galileo Galilei was born on February 15, 1564 in Pisa, Italy, to Vincenzo Galilei, a famous musician, and Giulia Ammannati, a housewife. The eldest of six children, he went to school in a ...