R. W. Lutz

Albert R. McNellis

R. L. Sitton

Mary Lou Curtis

Mary Lou Curtis joined the Manhattan Project in Dayton, Ohio in 1943. Mrs. Curtis worked in the Counting Room at Monsanto’s Unit III facility, where she developed new methods to measure and analyze radioactive materials, such as polonium, which was used as the trigger for the atomic bombs.

George Koval

George Koval was an American chemical engineer and one of the most important Soviet spies of the 20th century.