National Museum of Nuclear Science & History
Chalgren worked at the 200 West Area at Hanford during the Manhattan Project.
Mark Fred was a research assistant in the chemistry division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Jeanne (Smoot) Crumb was a nurse at the Los Alamos Hospital during World War II. It is believed that she was recruited from Barnes Hospital in St.
