National Museum of Nuclear Science & History
Thompson worked for Stone and Webster Engineering Corporation.
John A. Simpson Jr. (1916-2000) was a distinguished American nuclear physicist and astrophysicist. Simpson was born on November 3, 1916 in Portland, Oregon.
H. M. Nappen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
W. Van Meter worked for the Roane-Anderson Company.