National Museum of Nuclear Science & History
T. Downs served in the 390th Air Service Group.
Gilbert Plass was a Canadian physicist. Plass was born in 1922 in Toronto. He received a B.S. in physics from Harvard University before being hired to work on the Manhattan Project at the Chicago Met Lab, where he worked as an associate physicist.
Juan de Jesus Trujillo was a staff worker at Los Alamos during the Manhattan Project.