National Museum of Nuclear Science & History
Leonard Krouldis was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Dellis Caho was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
McNeight worked in the 200 West Area at Hanford during the Manhattan Project.
J. G. Pettis worked for the Roane-Anderson Company.
