National Museum of Nuclear Science & History
J. N. Holt worked for the United States Engineer District Office.
Roger Hildebrand is an American physicist and Manhattan Project veteran. He is the S.K. Allison Distinguished Service Professor, Emeritus, at the University of Chicago and is affiliated with the Enrico Fermi Institute.
Betsy Schneider was a staff worker at Los Alamos during the Manhattan Project.
Attended New York University.
Twohey worked for Stone and Webster Engineering Corporation.
