Stephen Glenn "Steve" Martin is an American actor, comedian, writer, producer and musician. Martin came to public notice in the 1960s as a writer for 'The Smothers Brothers Comedy Hour', and later as a frequent guest on 'The Tonight Show'. In the 1970s, Martin performed his offbeat, absurdist comedy routines before packed houses on national tours. Wikipedia*
On the C-SPAN Networks:
Steve Martin has one video in the C-SPAN Video Library; the first appearance was a 2011 Forum.