National Museum of Nuclear Science & History
A. L. Barber worked for the H. K. Ferguson Company.
Ralph Daggett served in the 603rd Air Engineering Squadron.
Roy V. Henderson was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
William M. Carwile served in the 1027th Air Material Squadron.
Howe worked at the 300 Area at Hanford during the Manhattan Project.