National Museum of Nuclear Science & History
A. B. Beddoe worked for the Fercleve Corporation.
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.
N. A. Jardine worked for the Edenfield Electric Company.