National Museum of Nuclear Science & History
Ruska worked for Stone and Webster Engineering Corporation.
J. J. Mitchell worked for the Fercleve Corporation.
Herbert Potratz was an American chemist. Potratz was born in 1902 in Iowa. He received a B.S., an M.S.
Clyde R. Emery worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.