National Museum of Nuclear Science & History
Tracy worked for Stone and Webster Engineering Corporation.
Wayne L. McComas served in the 1st Ordnance Squadron.
R. L. Plowden worked for the J.A. Jones Construction Company.
Elsie Mae Freeman was born in Missouri in 1900. She graduated high school in Chicago. After graduating, Elsie was recruited to work in a lab at the University of Chicago in 1919.
Hartley Rowe was an American industrial engineer. Rowe worked on the Panama Canal; for Lockwood Greene, an engineering firm; and for the United Fruit Company, where he rose to become vice president.
