Dafydd Rhys Williams
Dafydd Rhys Williams is a Canadian physician, emergency medicine specialist, aquanaut, and astronaut who flew two Space Shuttle missions. His career combines medical leadership, life-science research, undersea mission command, and major ISS assembly work.
- Born
- May 16, 1954
- Died
- N/A
- Birthplace
- Saskatoon, Saskatchewan,Canada
Flights
2
Spacewalks
3
EVA time
17 hours, 47 minutes
In space
28 days, 15 hours, 47 minutes
Bio
Williams trained in medicine at McGill University and specialized in emergency medicine before joining the Canadian astronaut program in 1992. His medical background made him a strong fit for life-science missions and operational crew-health work.
His first flight, STS-90 Neurolab, launched aboard Columbia in 1998. Williams served as a on a dedicated neuroscience Spacelab mission focused on how microgravity affects the nervous system.
He returned to space on STS-118 aboard Endeavour in 2007, an International assembly mission. Williams performed three EVAs totaling 17 hours, 47 minutes, setting a Canadian spacewalking record at the time.