National Museum of Nuclear Science & History
McGruder worked for Stone and Webster Engineering Corporation.
Jas Curran worked for Hanley & Company.
John W. Calkin graduated from Columbia University in 1933. He then earned a Ph.D. in mathematics from Harvard.
W. R. McCauley, Jr. worked for the United States Engineer District Office.
Ole G. Landsverk was a member of the health physics team at the University of Chicago Metallurgical Laboratory during the Manhattan Project.
