Harold Butterfield

Jose L. Romero

Jose Romero was a staff worker at Los Alamos during the Manhattan Project.

M. Parks

M. Parks worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Leo A. Bidez

John Arnold

John Arnold joined the Manhattan Project in 1943 when the MED tasked his employer, the Kellogg Corporation, with developing a special barrier for the gaseous diffusion plant in Oak Ridge.