Robert Satcher Status: Retired 9/22/1965 – Nationality: American Type: Government Agency: National Aeronautics and Space Administration Robert Lee “Bobby” Satcher Jr. is an American physician, chemical engineer, and NASA astronaut. He became the first orthopedic surgeon in space during STS-129. He participated in 2 spacewalks during STS-129, accumulating 12hrs 19min of EVA time. Satcher holds two doctorates (Ph.D., M.D.) and has received numerous awards and honors as a surgeon and engineer.