George Driver "Pinky" Nelson (born July 13, 1950) is an American physicist, astronomer, science educator, and retired NASA astronaut.

He also served as support crewman and CAPCOM for the last two OFT flights, STS-3 and STS-4, and as head of the Astronaut Office Mission Development Group.

The mission also included flight testing of Manned Maneuvering Units (MMUs) in two extravehicular activities (EVAs), and operation of the Cinema 360 and IMAX Camera Systems.

[5] This mission, from January 12–18, 1986, launched from the Kennedy Space Center and returned to a night landing at Edwards Air Force Base, California.

During the four-day flight, the crew successfully deployed the Tracking and Data Relay Satellite (TDRS-C) and operated eleven mid-deck science experiments.

[9] Nelson served as faculty on the Fall 2013 Semester at Sea voyage, where he taught introductory astronomy and celestial navigation.