National Museum of Nuclear Science & History
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.
R. R. Wischmeyer worked for the Midwest Piping and Supply Company.
Alfred Nier (1911 – 1994) was an American physicist. Nier was a pioneer in the field of mass spectrometry.