National Museum of Nuclear Science & History
R. O. Irwin worked for the Tennessee Eastman Corporation at the Y-12 Plant.
James B. Sullivan served in the 393rd Bombardment Squadron.
Cathcart worked at the 200 East Area at Hanford during the Manhattan Project.
John W. Marden was deputy research director at the Westinghouse Electric Corporation Lamp Plant in Bloomfield, New Jersey.
