National Museum of Nuclear Science & History
E. L. Douglas worked for the Tennessee Eastman Corporation at the Y-12 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.
Darlington worked for Stone and Webster Engineering Corporation.
Jeannette Thomas was a staff worker at Los Alamos during the Manhattan Project.
Baldridge worked in the 100 B Area at Hanford during the Manhattan Project.