National Museum of Nuclear Science & History
Haske worked at the 200 East Area at Hanford during the Manhattan Project.
Calkins worked at the 200 West Area at Hanford during the Manhattan Project.
J. C. Kilpatrick worked for the Tennessee Eastman Corporation at the Y-12 Plant.
George Ponton served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.