Bring history home and meet some of the world's greatest game changers Get inspired by the true story of the most famous scientist to ever live. This biography series is for kids who loved Who Was? and are ready for the next level. Albert Einstein is the most famous scientist of all time. His theories form the basis of physics today. Find out how the boy who taught himself calculus at age twelve became one of history's greatest trailblazers Trailblazers is a biography series that celebrates the lives of amazing pioneers, past and present, from all over the world. Get inspired by more Trailblazers: Neil Armstrong, Jackie Robinson, Jane Goodall, Harriet Tubman, Albert Einstein, Beyonc , and Simone Biles. What kind of trail will you blaze?