National Museum of Nuclear Science & History
Long worked for Stone and Webster Engineering Corporation.
Glen Montgomery was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Leon O. (Tom) Morgan was an American chemist who worked on the Manhattan Project and co-discovered the element Americium.
Levey was a member of the Army Special Engineering Detachment who worked at the K-25 plant at Oak Ridge during the Manhattan Project.
Hollis worked for Stone and Webster Engineering Corporation.