National Museum of Nuclear Science & History
John Manthey worked for the United States Engineer District Office.
D. D. Drake worked at the 300 Area at Hanford during the Manhattan Project.
Charles Rogers was a staff worker at Los Alamos 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.
