National Museum of Nuclear Science & History
M. E. Russell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Fredrick “Fred” D. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Herbert graduated from Cooper Union College. He held a BS in mechanical engineering and an MS in electrical engineering.
D. J. Mahegan worked for the Union Carbide & Carbon Corporation.