H. B. Bainbridge

Ralph M. Graves

Ralph Graves worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Warren M. Garrison

Warren M. Garrison was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

H. S. Bartlett

J. P. Speed

J. P. Speed worked for the Poe Piping & Heating Company.