National Museum of Nuclear Science & History
M. S. Headley worked for the J.A. Jones Construction Company.
Robert Stone was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Manuel Montes Alcalde (1921-2009) was a machinist at Los Alamos during the Manhattan Project. Alcalde was born in San Leandro, California.
Ira Jones worked for the United States Engineer District Office.
