National Museum of Nuclear Science & History
John D. Hopper served as a civilian in Project Alberta.
John Costa worked at the shop in the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Seymour Bernstein (1923-2015) was an American chemical engineer who worked on the Manhattan Project. He was a member of the Special Engineer Detachment at Oak Ridge and worked as a laboratory supervisor at the K-25 Plant.
