"Between 1981 and 1993, documentary producer Christopher Sykes shot three films and one TV series dedicated to the charismatic, Nobel Prize-winning physicist Richard Feynman (1918-1988). We have presented these documentaries here individually before (some several years ago), but never brought them together."
"These collections are all free, and can be downloaded to your computers and mp3 players. When you add it all together, you will find thousands of hours of free educational content here from quality sources. "