National Museum of Nuclear Science & History
Fred Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Margaret H. Dike was born in Prescott, Arizona, and she grew up in Cimarron, New Mexico. Before the war, Dike worked at the Department of Terrestrial Magnetism in Washington, DC.
Hilgeman worked at the 100-D Area at Hanford during the Manhattan Project.
Attended Creighton University.
