National Museum of Nuclear Science & History
J. J. Morrissey worked for the United States Engineer District Office.
Critselous worked Stone and Webster Engineering Corporation.
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.
Louis Olivas was a staff worker at Los Alamos during the Manhattan Project.
A. P. Kelly worked for the Tennessee Eastman Corporation at the Y-12 Plant.
