National Museum of Nuclear Science & History
Myrack worked in the 300 Area at Hanford 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.
Arnold Grubbe (1904-2002) was an engineer working for the civilian contractor Crane Company in Oak Ridge, Tennessee.
Grace Hardin worked for the J.A. Jones Construction Company.
F. C. Todd worked for the Fercleve Corporation.