National Museum of Nuclear Science & History
Chappell worked in the United States Engineer District Office.
Patsy Loyacono served in the 1395th Military Police Company, Aviation.
O. R. "Big" Simpson was a second lieutenant in military intelligence in charge of convoys carrying plutonium from Hanford to Fort Douglas, Utah.
J. F. Ryan worked for Clinton Laboratories at the X-10 Reactor.
Catherine Cordoba worked at the Houdaille Hershey plant in Decatur, Illinois on the night shift of the plating department.