National Museum of Nuclear Science & History
Joe Langston worked for the J.A. Jones Construction Company.
G. F. Nellett worked for the Fercleve Corporation.
Walter Selander served in the 1395th Military Police Aviation.
E. F. Jameson worked for the Roane-Anderson Company.
W. G. Chmielewski was a carpenter at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.