National Museum of Nuclear Science & History
Joseph Ryan was a staff worker at Los Alamos during the Manhattan Project.
Majory Danberg worked in the stenographic and clerical division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ernest E. Wollan was a research associate at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
R. H. Eichorn worked for the Roane-Anderson Company.
