National Museum of Nuclear Science & History
Harold Katz worked for the Roane-Anderson Company.
Earl E. Rosenberger served in the 603rd Air Engineering Squadron.
Holmes worked at the 300 Area at Hanford during the Manhattan Project.
Betty L. Carlson was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Gerald Landsman worked in the Instrument Section at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
