National Museum of Nuclear Science & History
H. P. Graves worked in the United States Engineer District Office.
L. E. Barnes worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Anton Kegl was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
