Lambda the Ultimate

Video lectures featuring presentations by Alan Kay, Butler Lampson, Dan Ingalls, and other computer scientists are available at the Internet Archive via this page
The currently available films are all from the late 80's, but may still be interesting to some of the LTU readers. Some highlights:

Alan Kay: Doing with Images Makes Symbols

John Backus: Function Level Programming and the FL Language

Daniel G Bobrow: Common LISP Object Standard