Piper, Dr. Mark

Caption: Sulu, Scotty and Piper discuss Mitchell

Star Trek: The Original Series

Episode: TOS 002 - Where No Man Has Gone Before

Chief medical officer and head of the life sciences department aboard the U.S.S. Enterprise in 2265. Piper examined Gary Mitchell following the ship's passing through the galactic barrier and was puzzled as to why the crewman would suddenly achieve super powers.