National Museum of Nuclear Science & History
Peter Watkins was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Marion Edward Cieslicki was an Polish American metallurgist who worked on the Manhattan Project from 1944 to 1946 at the University of Chicago and at Los Alamos.
Burghardt worked in the United States Engineer District Office.
C. L. Scharfe worked for the Comstock-Bryant Electric Company.