National Museum of Nuclear Science & History
Ray Martin worked for the A. S. Schulman Electric Company.
John W. Marden was deputy research director at the Westinghouse Electric Corporation Lamp Plant in Bloomfield, New Jersey.
Donald Hurst worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Alan A. Jarrett was a research assistant the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.