Robert Satcher, American physician, engineer, and astronaut
Robert Lee "Bobby" Satcher Jr. (born September 22, 1965) is an American physician, chemical engineer, and former NASA astronaut. 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.