National Museum of Nuclear Science & History
S. J. Helfman worked for the J.A. Jones Construction Company.
Morris S. Kaplan was a Chemical Engineer for the Houdaille-Hershey Company in Decatur, Illinois. Kaplan was born in Massachusetts in 1921 and grew up in Chicago, Illinois.
Attended Iowa State University.
M. E. Ritchie served in the 390th Air Service Group.