National Museum of Nuclear Science & History
Brink worked in the United States Engineer District Office.
R. T. Robertson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Hasselblad worked at the 100-F Area at Hanford during the Manhattan Project
