National Museum of Nuclear Science & History
L. L. Redfern worked for the J.A. Jones Construction Company.
Richard Claassen was a research assistant at the SAM Lab at Columbia University from 1944 to 1946. While there, he built and used fluidic systems to test for unusual leaks in diffuser tubes.
Stewart Fox was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Browning worked at Los Alamos during the Manhattan Project.