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National Museum of Nuclear Science & History

R. F. Ridgeway

Project StaffOak Ridge, TN

Manhattan Project VeteranProject Worker/Staff
The Chapel on the Hill in Oak Ridge

R. F. Ridgeway worked for the Roane-Anderson Company.

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H. N. Litchford

Hanford, WA

Margaret Broderick

Cambridge, MA

Margaret (“Chickie”) Broderick was a chemist at MIT during the Manhattan Project. Broderick was born Margaret McHugh in Boston, Massachusetts in 1921.

Marle L. Velde

K-25 Plant

Marle Velde worked for the Kellex Corporation at the K-25 Plant.

J. P. Heater

B Reactor/100 Area

Heater worked at the 100-D Area at Hanford during the Manhattan Project.