Richard Burton, CBE was a Welsh actor who was noted for his mellifluous baritone voice. Burton established himself as a formidable Shakespearean actor in the 1950s, and he gave a memorable performance of Hamlet in 1964. He was called "the natural successor to Olivier" by critic and dramaturg Kenneth Tynan. Wikipedia*
On the C-SPAN Networks:
Richard Burton has one video in the C-SPAN Video Library; the first appearance was a 2000 Meeting.