National Museum of Nuclear Science & History
Heuer worked at the 300 Area at Hanford during the Manhattan Project.
Paul J. Esterline was an engineer. He attended Ohio State University for two years, and then attended the Chicago Technical Institute in the late 1920s, learned engineering drafting there.
Captain William Downey served as the Protestant chaplain for the 509th Composite Group and led the crew of the Enola Gay in prayer before they departed for Hiroshima.