National Museum of Nuclear Science & History
William Stephenson worked for the J.A. Jones Construction Company.
Robert Mackenzie “Bob” Underhill (1893-1988) was a finance officer for the University of California during the Manhattan Project.
McCullough worked in the 100 D Area at Hanford during the Manhattan Project.
John H. Martens was a research associate and chemist at the University of Chicago Met Lab and a member of the Special Engineer Detachment at Oak Ridge.
