National Museum of Nuclear Science & History
H.W. was a consultant at Metallurgical Laboratory in Chicago during the Manhattan Project.
P. G. Kinken worked for the United States Engineer District Office.
Margaret Caldes moved to Los Alamos when her husband, William E. Caldes, was recruited to join the project in 1943.
Joseph (J.) Garrott Allen was a research associate in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.