Monday, Aug. 19 and Tuesday, Aug. 20, 2024 at 9 p.m. on KPBS TV / Stream the 2-part series now with KPBS Passport! Ken Burns’ four-hour documentary explores the life and work of one of the most consequential figures in American history — a prolific writer and publisher, a groundbreaking scientist and inventor, a world-renowned diplomat and a signer of both the Declaration of Independence and the United States Constitution.