National Museum of Nuclear Science & History
Little Julian worked for the J.A. Jones Construction Company.
H. G. Hoberg worked for the United States Engineer District Office.
Booth was at Los Alamos during the Manhattan Project.
Hugo Leckelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Don Simpson worked for the Tennessee Eastman Corporation at the Y-12 Plant.