National Museum of Nuclear Science & History
L. W. Stark worked for the Tennessee Eastman Corporation at the Y-12 Plant.
McCabe worked for Stone and Webster Engineering Corporation.
Hayden Rector was a contract attorney for the U.S. Army Corps of Engineers at Hanford, WA during the Manhattan Project.
Ralph A. James (1920-1973) was a research associate in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.