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Christopher Williams

Christopher Williams
Photo Credit: NASA

Christopher Williams is a government astronaut from United States of America, affiliated with NASA.

During their career, Christopher Williams flew on 1 spaceflight and completed 1 spacewalk, logging 241 days, 59 minutes, 28 seconds in space.

Christopher Williams grw up in Potomac, Maryland and graduated from Stanford University in 2005 with a bachelor’s degree in physics and a doctorate in physics from MIT in 2012, where his research was in astrophysics. Williams is a board-certified medical physicist, completing his residency training at Harvard Medical School before joining the faculty as a clinical physicist and researcher. He most recently worked as a medical physicist in the Radiation Oncology Department at the Brigham and Women's Hospital and Dana-Farber Cancer Institute in Boston. He was the lead physicist for the Institute’s MRI-guided adaptive radiation therapy program. His research focused on developing image guidance techniques for cancer treatments.

Exact date of birth unknown.

Career Statistics

Key facts and career statistics for Christopher Williams
Date of Birth01/01/1983
StatusActive
First Flight11/27/2025
Last Flight11/27/2025
In SpaceNo
Time in Space241 days, 59 minutes, 28 seconds
EVA Time7 hours, 20 minutes
Landings1

Spaceflights by Christopher Williams

Explore the 1 spaceflight Christopher Williams participated in during their astronaut career, including mission details, launch vehicles, and destinations.

Spacewalk by Christopher Williams

Discover the 1 spacewalk Christopher Williams performed during their career, logging a total of 7 hours, 20 minutes outside a spacecraft.

Expedition 74 EVA 2

The spacewalk began at 06/30/2026 12:20 UTC and ended at 06/30/2026 19:40 UTC on the International Space Station for a total of 7 hours and 20 minutes.

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