For physics and science history, https://www.youtube.com/c/KathyLovesPhysicsHistory https://www.youtube.com/c/KathyLovesPhysicsHistory Many of Kathy's videos,

For physics and science history, https://www.youtube.com/c/KathyLovesPhysicsHistory https://www.youtube.com/c/KathyLovesPhysicsHistory Many of Kathy's videos, especially those on quantum physics and Einstein, I've watched a few times. Here's a good one, "Joseph Fraunhofer Biography: The Father of Modern Astronomy" https://www.youtube.com/watch?v=d0cjG1UdqKo https://www.youtube.com/watch?v=d0cjG1UdqKo