National Museum of Nuclear Science & History
J. A. Drake worked for the J.A. Jones Construction Company.
Donald William Kerst is an American physicist known for his development of the betatron in 1940 and the Water Boiler Reactor at Los Alamos during the Manhattan Project.
H. J. Peyton worked for the United States Engineer District Office.
Seymour Calvert served for 11 months in the Special Engineering Detachment at Los Alamos. He specialized as a chemical engineer, and carried out experiments with beryllium that were often dangerous.
