National Museum of Nuclear Science & History
Greenhalgh worked in the United States Engineer District Office.
Roland Davis was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“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.
Williams worked at the 200 West Area at Hanford during the Manhattan Project.
