National Museum of Nuclear Science & History
Jens Thornton, or “Jim” (as he went by at Berkeley) was an electrical engineer employed by Stone & Webster engineering firm 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.
Peter Newport Bragg, Jr. served as a civilian engineer working for the U.S. Navy beginning in 1944. A brilliant chemical engineer, he volunteered for a dangerous assignment while employed by the U.