Earl R. Nunnemaker

Frances T. Janis

Frances T. Janis was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Laurie A. Jackson

Mildred M. Summers

Mildred Summers was a chemical technician at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Clayton Plummer

Clayton Plummer worked for the Tennessee Eastman Corporation at the Y-12 Plant.