National Museum of Nuclear Science & History
H. M. Schenk worked for the United States Engineer District Office.
H. G. Kercher worked for the J.A. Jones Construction Company.
Raymond C. Grills is an American physical chemist who worked at the University of Chicago’s Metallurgical Laboratory and at Hanford during the Manhattan Project.
James Serduk was a staff worker at Los Alamos during the Manhattan Project.
