Chris Williams was selected by NASA to join the 2021 Astronaut Candidate Class. He graduated from Stanford University (Palo Alto, California), with a bachelor’s degree in physics in 2005 and earned a doctorate in physics from the Massachusetts Institute of Technology (Cambridge, Massachusetts) in 2012, where his research was in astrophysics. Williams is a board-certified medical physicist, completing his residency training at Harvard Medical School (Boston, Massachusetts), before joining the faculty as a clinical physicist and researcher. During his first mission to the International Space Station, NASA astronaut Chris Williams will serve as flight engineer and member of Expedition 74. Williams will launch aboard the Roscosmos Soyuz MS-28 spacecraft in November, accompanied by Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev. After launching from the Baikonur Cosmodrome in Kazakhstan, the trio will spend approximately eight months aboard the orbiting laboratory. Courtesy of NASA.