John Loy

William “Willy” Higinbotham

William “Willy” Higinbotham (1910-1994) was an American physicist. During the war, Higinbotham worked at Los Alamos as leader of the Electronics Group in the Weapon Physics Division.

R. R. Turnball

Richard A. Popham

Richard Popham oversaw radiation safety in the Chemistry-Metallurgy Division at Los Alamos during the Manhattan Project.

Marvin D. Martin

Marvin Martin worked for the Tennessee Eastman Corporation at the Y-12 Plant.