National Museum of Nuclear Science & History
Baldwin worked for Stone and Webster Engineering Corporation.
Evelyne Litz worked in health physics and as a librarian during the Manhattan Project at Los Alamos and the Chicago Met Lab.
Herbert M. Parker (1910-1984) was a British-American medical physicist. He worked at Chicago, Oak Ridge, and Hanford during the Manhattan Project, and is perhaps best known for inventing the rep (a precursor of the rad) and helping develop the rem to measure radiation dosage.
Joseph Kouba was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.