National Museum of Nuclear Science & History
Joseph (J.) Garrott Allen was a research associate in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
C. H. Hutchinson worked for the Roane-Anderson Company.
John Lansdale (1912 – 2003) was a colonel in the US Army. Lansdale first learned of the Manhattan project from National Defense Research Committee Chairman James B.
