Three Lectures by Hans Bethe

In 1999, theoretical physicist Hans Bethe delivered three lectures on quantum theory to his neighbors at the Kendal of Ithaca retirement community. He was 93-years-old at the time. You can follow the above link to see the lectures, accompanied by slides of his talking points and archival material. Alternatively, you can just watch the videos below. Introduction Lecture 1 Lecture 2 Lecture 3 Appreciation