National Museum of Nuclear Science & History
MacDonald worked for Stone and Webster Engineering Corporation.
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.
Allen worked in the United States Engineer District Office.
C. R. Jones worked for the Union Carbide & Carbon Corporation.
W. C. Carnell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
