Homer L. Langley

Walter M. Longfelt

Walter M. Longfelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Martin J. Morrison

J. H. Papot, Jr.

J. H. Papot, Jr. worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Leonard Krouldis

Leonard Krouldis was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.