A. Bradley

William H. Zachariasen

William “Willie” H. Zachariasen was a physicist and consultant at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.

Joanne Gailar

Gailar worked at the K-25 plant at Oak Ridge during the Manhattan Project.

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.

Edgar R. Kessler