National Museum of Nuclear Science & History
Cass worked for Stone and Webster Engineering Corporation.
F. A. Davis worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Gordon Simmons worked for the J.A. Jones Construction Company.
Arthur Buck was a security guard for the Metallurgical Laboratory (“Met Lab”) at the University of Chicago during the Manhattan Project.
George O'Connell worked for the H. K. Ferguson Company.