Jack Roosevelt Robinson rose from humble origins to cross baseball’s color line and become one of the most beloved men in America. A fierce integrationist, Robinson used his immense fame to speak out against the discrimination he saw on and off the field, angering fans, the press, and even teammates who had once celebrated him for “turning the other cheek.” After baseball, he was a widely-read newspaper columnist, divisive political activist and tireless advocate for civil rights, who later struggled to remain relevant as diabetes crippled his body and a new generation of leaders set a more militant course for the civil rights movement.

For 50 years radio dominated the airwaves and the American consciousness as the first “mass medium.” In Empire of the Air: The Men Who Made Radio, Ken Burns examines the lives of three extraordinary men who shared the primary responsibility for this invention and its early success, and whose genius, friendship, rivalry and enmity interacted in tragic ways. This is the story of Lee de Forest, a clergyman’s flamboyant son, who invented the audion tube; Edwin Howard Armstrong, a brilliant, withdrawn inventor who pioneered FM technology; and David Sarnoff, a hard-driving Russian immigrant who created the most powerful communications company on earth.