National Museum of Nuclear Science & History
Holl worked for Stone and Webster Engineering Corporation.
J. E. Travis worked for the United States Engineer District Office.
Michael Cefola was an American chemist and a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
William C. Borgstadt served in the 390th Air Service Group. William Calvin Borgstadt, also known as Billy C.
