Murray Gell-Mann, who won the Nobel Prize in physics in 1969 , presented a talk at Google on "Getting Creative Ideas". You can view the talk on Youtube: http://www.youtube.com/watch?v=KXoHXc0ErBI
Google regularly invites well-known scholars, authors, musicians, politicians, etc., to give talks at Google. The link to such talks on Youtube is: http://www.youtube.com/user/Google