National Museum of Nuclear Science & History
Winfield Sylvester was a staff worker at Los Alamos during the Manhattan Project.
W. L. Richardson worked for the Union Carbide & Carbon Corporation.
Oklahoma-born Leon Overstreet went into construction in 1941 after he learned a little pipefitting with American Can in Kansas City.
George Kehl was a metallurgist and professor at Columbia University’s School of Mines. He worked at Los Alamos on the Manhattan Project.
B. D. Johnson worked for the Southern Bell Telephone Company.