National Museum of Nuclear Science & History
O. R. "Big" Simpson was a second lieutenant in military intelligence in charge of convoys carrying plutonium from Hanford to Fort Douglas, Utah.
Dr. Andrew Hanson is a physicist and a Professor Emeritus of Computer Science at Indiana University, Bloomington.
Guenther worked in the United States Engineer District Office.
C. H. Everett worked for the Comstock-Bryant Electric Company.