National Museum of Nuclear Science & History
Fowler worked for Stone and Webster Engineering Corporation.
Tyson Hamel worked for the Roane-Anderson Company.
Clarence Joyce worked for the Poe Piping & Heating Company.
E. J. Brenneis worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Joseph H. Heartberg was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.