Scientists Who Made History: Galileo Galilei

Galileo Galilei, one of the first modern scientists, made key discoveries in physics, astronomy and mathematics. But his challenges to the accepted thinking of his day were made at the cost of his freedom. Follow Galileo's life story, from his childhood in Pisa and Florence, Italy, through the years of his revolutionary discoveries, to his trial at Rome and his last years under house arrest. Find out about his greatest discoveries, and how they still affect us today.