Thomas Marshburn
| Thomas Marshburn | |
|---|---|
| Official portrait, 2021 | |
| Born | Thomas Henry Marshburn August 29, 1960 | 
| Education | Davidson College (BS) University of Virginia (MS) Wake Forest University (MD) University of Texas, Galveston (MS) | 
| Space career | |
| NASA astronaut | |
| Time in space | 337d 9h 43m | 
| Selection | NASA Group 19 (2004) | 
| Total EVAs | 5 | 
| Total EVA time | 31h 1m | 
| Missions | STS-127 Soyuz TMA-07M (Expedition 34/35) SpaceX Crew-3 (Expedition 66/67) | 
| Mission insignia | |
Thomas Henry "Tom" Marshburn (born August 29, 1960) is an American physician and a former NASA astronaut. He is a veteran of three spaceflights to the International Space Station and holds the record for the oldest person to perform a spacewalk at 61 years old.