EntityQ520384· pop 30· linked from 1,304 articlesThomas MarshburnSign in to saveAmerican physician and NASA astronautConnectionssurface supplied divingEntitydiving bellEntityDrägerwerkEntitydiving regulatorEntitydiving equipmentEntitydiving medicineEntitydiving weighting systemEntitydiving helmetEntityunderwater divingEntitydiving suitEntitydiving cylinderEntityprofessional divingEntitySCUBAEntitydiving chamberEntitybarotraumaEntitygas cylinderEntityfinswimmingEntitydiving buoyancy compensatorEntitydive computerEntitybreathing gasEntityCategories1960 births20th-century American medical doctors21st-century American medical doctorsAmerican astronautsAmerican emergency physiciansAquanautsCommanders of the International Space StationDavidson College alumniHarvard Medical School peopleLiving peoplePeople from Statesville, North CarolinaPhysician astronauts