National Museum of Nuclear Science & History
H. V. Appen worked for the J.A. Jones Construction Company.
Rachel Gilbreath was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Sidney Schneider was an aerial gunner and worked in bomb disposal with the 1027th Air Material Squadron in the 509th Composite Group.
M. E. Brennan worked for the Watson-Flagg Engineering Company.
