National Museum of Nuclear Science & History
Calkins worked at the 200 West Area at Hanford during the Manhattan Project.
Bradley Marmon is a Manhattan Project veteran. Marmon was born in New York on November 15, 1925.
H. L. Longcrier worked for the J.A. Jones Construction Company.
M. E. Russell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
