D. C. Gifford

I. E. Melvin

Carl A. Neilson

S. C. Barnett

S. C. Barnett worked for the Union Carbide & Carbon Corporation.

Herbert M. Parker

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.