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National Museum of Nuclear Science & History

J. J. DiLeonardo served in the 390th Air Service Group. 

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John H. Noble

X-10 Graphite Reactor

Attended Colgate University. 

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Mary Lou Curtis

Dayton, OH

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.

Lloyd J. Steffens

K-25 Plant

Attended the College of San Mateo.