National Museum of Nuclear Science & History
K. Budrovich worked for the Tennessee Eastman Corporation at the Y-12 Plant.
O. E. Brueggeman worked for the J.A. Jones Construction Company.
Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
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.