National Museum of Nuclear Science & History
J. E. Crawford worked for the Midwest Piping and Supply Company.
Robert Helton worked for the Tennessee Eastman Corporation at the Y-12 Plant.
C. H. Hemmel, Jr. served in the 390th Air Service Group.
Ralph Carlisle Smith was born in 1910 in New York. He co-authored Project Y: The Los Alamos Story, with David Hawkins and Edith Truslow.
