National Museum of Nuclear Science & History
J. A. King worked for the Roane-Anderson Company.
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.
Cleary worked for Stone and Webster Engineering Corporation.
O. P. Shoop worked for the Tennessee Eastman Corporation at the Y-12 Plant.