National Museum of Nuclear Science & History
Mollie Sprio was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
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.
Lawrence Rosenburg was a staff worker at Los Alamos during the Manhattan Project.
E. O. Ogle worked for the Edenfield Electric Company.