National Museum of Nuclear Science & History
John W. Marden was deputy research director at the Westinghouse Electric Corporation Lamp Plant in Bloomfield, New Jersey.
Grinus worked at the 100 F Area at Hanford during the Manhattan Project.
Smith worked at the 200 West Area at Hanford during the Manhattan Project.
Nellie Jennings was a laboratory assistant at the Metallurgical Laboratory at the University of Chicago during the Manhattan Project.
