Thomas Marshburn

Thomas Henry Marshburn, known as Tom, is an American NASA astronaut born on 29 August 1960 in Statesville, North Carolina. He trained as both a physicist and a physician, earning a physics degree from Davidson College, a master of science in engineering physics from the University of Virginia, a medical degree from Wake Forest University and a master of science in medical sciences from the University of Texas Medical Branch. He worked as a flight surgeon in the Flight Medicine Clinic at Johnson Space Center before NASA selected him in astronaut group NASA-19 on 6 May 2004. He flew three times: on Space Shuttle Endeavour on STS-127 in 2009, on Soyuz TMA-07M to the International Space Station in 2012 and 2013, and on SpaceX Crew-3 from November 2021 to May 2022, serving as pilot and later as station commander. His flights total about 337 days in space, and he retired from NASA at the end of 2022.