National Museum of Nuclear Science & History
Joe Conner worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. E. Mason worked for the Roane-Anderson Company.
John E. Fisher served in the 320th Troop Carrier Squadron.
Joseph H. Heartberg was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
G. F. Brown worked for the Union Carbide & Carbon Corporation.
