National Museum of Nuclear Science & History
Sergeant Frank Karcher was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Samuel Goudsmit (1902-1978) was a Dutch-American physicist. In May 1944, Goudsmit became scientific director of the Manhattan Project’s Alsos Mission, a top-secret operation responsible for gathering intelligence on Germany’s atomic program.
