National Museum of Nuclear Science & History
L. Hendrick worked for the Roane-Anderson Company.
Myrtle E. Karcher was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Hensley worked for the Stone and Webster Engineering Corporation.
Edna K. Marks was a junior biologist and technician in the Health Division at the University of Chicago Met Lab.
