National Museum of Nuclear Science & History
J. A. Lauber worked for the Roane-Anderson Company.
Glenn Sprankle worked in the shop at the Metallurgical Laboratory in Chicago during the Manhattan Project.
J. P. Underwood worked for the Roane-Anderson Company.
Creedon worked for Stone and Webster Engineering Corporation.
Jose R. Valdez was a staff worker at Los Alamos during the Manhattan Project.