National Museum of Nuclear Science & History
Irvin Mastin worked for the J.A. Jones Construction Company.
Barton B. Crespin served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Necessary Evil.
Roger Stover was born in Naperville, Illinois. He spent his first eighteen years there before going to Purdue for his B.
Attended the California Institute of Technology.
H. M. Mottern worked for the Tennessee Eastman Corporation at the Y-12 Plant.
