National Museum of Nuclear Science & History
Dorothy worked at Oak Ridge during the Manhattan Project as a “calutron girl.” After her brother was killed in the attack on Pearl Harbor, she was eager to join the war effort, and did so starting in 1944.
M. K. Walden worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Alvin Graves (1909-1965) was an American physicist. Graves was invited to join the University of Chicago Metallurgical Laboratory and in 1942 he accepted the position and became a member of the Manhattan Project.
John Hodgson worked for the United States Engineer District Office.