The Manhattan Project

In partnership with the National Museum of Nuclear Science & HistoryNational Museum of Nuclear Science & History

Mary Lou Curtis

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Mary Lou Curtis joined the Manhattan Project at the Monsanto Research Corporation in Dayton, Ohio in 1943. Curtis worked in the Counting Room at Monsanto's Unit III facility, where she helped develop new methods to measure and analyze radioactive materials.

After the war, Curtis worked for Monsanto at Mound Laboratory in Miamisburg, Ohio where she continued to develop innovative methods to measure polonium and plutonium. She was considered to be one of the world's leading authorities in her field and published over twenty papers in several different scientific journals.