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National Museum of Nuclear Science & History

W. Sadler

Project StaffB Reactor/100 Area

Hanford, WA
Manhattan Project VeteranProject Worker/Staff
The first large-scale nuclear reactor in history, the B-Reactor, in Hanford, Washington

Sadler worked at the 100-B Area at Hanford during the Manhattan Project.

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W. R. Myers

Research & Development/300 Area

Myers worked in the 300 Area at Hanford during the Manhattan Project.

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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.

Edwin L. Gleason

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Gleason worked at the 300 Area at Hanford during the Manhattan Project.

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Samuel McNeight was a DuPont employee member who was a part of the team tasked with constructing the B Reactor at Hanford.