National Museum of Nuclear Science & History
J. R. Maddy worked for the United States Engineer District Office.
Kreitzberger worked in the 200 East Area at Hanford during the Manhattan Project.
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.
R. Boyd worked for the Comstock-Bryant Electric Company.
