National Museum of Nuclear Science & History
Andrew Welch was a janitor at the Chicago Met Lab during the Manhattan Project.
H. R. Koonce worked for the J.A. Jones Construction Company.
Moyer worked for Stone and Webster Engineering Corporation.
Tony Quintana was a staff worker at Los Alamos during the Manhattan Project.
Sheffield Gordon was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
