National Museum of Nuclear Science & History
J. J. Haynie worked for the J.A. Jones Construction Company.
Mumford worked in the 200 East Area at Hanford during the Manhattan Project.
Howard B. Thompson served in the 393rd Bombardment Squadron.
R. M. Pylant worked for the Tennessee Eastman Corporation at the Y-12 Plant.
George Koval was an American chemical engineer and one of the most important Soviet spies of the 20th century.
