National Museum of Nuclear Science & History
Phipps worked for Stone and Webster Engineering 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.
J. H. Neumann worked for the J.A. Jones Construction Company.
Shea worked for Stone and Webster Engineering Corporation.