National Museum of Nuclear Science & History
J. P. Marus worked for the J.A. Jones Construction Company.
Tom Mulcahey was a staff worker at Los Alamos during the Manhattan Project.
Oklahoma-born Leon Overstreet went into construction in 1941 after he learned a little pipefitting with American Can in Kansas City.
W. R. Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.