National Museum of Nuclear Science & History
Born in 1903 in Baltimore, Mackie studied civil engineering at Union College in Schenectady, New York.
Woitto T. Laine served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Necessary Evil.
W. W. Steed worked for the Tennessee Eastman Corporation at the Y-12 Plant.