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.

Soyuz 2.1a | Soyuz MS-28

Progress Rocket Space Center | Russia
Baikonur Cosmodrome, Republic of Kazakhstan
Nov. 27, 2025, 9:27 a.m.

Status: Success

Mission:

Soyuz MS-28 will carry three cosmonauts and one astronaut to the International Space Station aboard the Soyuz spacecraft from the Baikonur Cosmodrome in Kazakhstan. The crew consists of Roscosmos cosmonauts Sergei Kud-Sverchkov, Sergei Mikayev and Oleg Platonov.

Low Earth Orbit

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