National Museum of Nuclear Science & History
George Francis McEwen was born on June 16, 1882 in Manchester, Iowa. He attended Iowa State College.
Lulu Slaughter was a laboratory assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Joseph H. Laird graduated from Harvard University in 1942 with a bachelor's degree in chemistry. During the war, Laird became a member of the Special Engineer Detachment, where he served as an industrial inspector at Tennessee Eastman Corporation in Oak Ridge.
Don Cowen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
