J. N. Harwood

Donald Engelkemeior

Donald Engelkemeior was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Caroline “Muffy” Tozzer Buchanan

Caroline “Muffy” (née Tozzer) Buchanan worked as a secretary for the Manhattan Project at Los Alamos.

J. R. Hatfield

J. R. Hatfield worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Ruth Nyhus