National Museum of Nuclear Science & History
H. F. Koch worked for the Tennessee Eastman Corporation at the Y-12 Plant.
R. C. Chisom served in the 509th Headquarters and Base Services Squadron.
Harry Grisham worked for the Kellex Corporation at the K-25 Plant.
Manuel Montes Alcalde (1921-2009) was a machinist at Los Alamos during the Manhattan Project. Alcalde was born in San Leandro, California.
