National Museum of Nuclear Science & History
Lew Kowarski was a Russian-born French physicist. He worked as part of the team that discovered that neutrons were emitted in the fission of uranium-235 in the 1930s, setting the groundwork for the use of nuclear chain reactions in the design of the atomic bomb.
Anna Cox worked out of the DuPont Chambers Works plant in Carneys Point, New Jersey. Her contribution to the Manhattan Project included administrative work in the plant's transportation department, ensuring that tank cars had the proper bills of lading and ran in and out of the plant efficiently.
Dr. Alexander Langsdorf (1912-1996) was an American physicist who worked under Enrico Fermi at the University of Chicago.
R. E. Stapleton worked for the Tennessee Eastman Corporation at the Y-12 Plant.
