John B. Otto

E. R. Page

E. R. Page worked for the United States Engineer District Office.

Helena Calloway

Helena Calloway was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

J. S. Dugger

Don B. Crockett

Don Crockett worked for the Tennessee Eastman Corporation at the Y-12 Plant.