National Museum of Nuclear Science & History
P. E. Brooks worked for the Tennessee Eastman Corporation at the Y-12 Plant.
William J. Van Buskirk was a machinist who worked at Los Alamos for over three decades. Van Buskirk started working at Los Alamos in 1943, a year after he graduated from high school.
McMahon worked in the 100 D Area at Hanford during the Manhattan Project.