National Museum of Nuclear Science & History
George Economou was an optical systems expert. Economou graduated from Harvard University with a degree in astronomy.
David P. Rudolph was an administrator in charge of inventory at the Chicago Metallurgical Laboratory.
Archie Massey worked for the Kellex Corporation at the K-25 Plant.
Melvin A. Miller was a draftsman at the University of Chicago Met Lab. In 1946, he sketched two famous drawings of Chicago Pile-1 based on the descriptions of scientists who were present when it went critical.
