National Museum of Nuclear Science & History
Leon Matlock worked for the Kellex Corporation at the K-25 Plant.
S. B. Spracklen worked for the Union Carbide & Carbon Corporation.
Baldridge worked in the 100 B 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.
