National Museum of Nuclear Science & History
McCabe worked for Stone and Webster Engineering Corporation.
M. N. Andrews worked for the J.A. Jones Construction Company.
Major Frank Salfingere served in the Army at Los Alamos during the Manhattan Project.
H. VanDerHorn served in the 390th Air Service Group.
Opal MacDonald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
