John E. Keller

Mitchell A. Melnick

Jose Baca

Jose Baca moved with his wife and four children from Albuquerque to Los Alamos, NM in April of 1944. While at Los Alamos, Jose worked as a carpenter and machinist.

Donald Hornig

Donald “Don” Hornig (1920-2013) was an American chemist. Hornig was recruited to join the laboratory at Los Alamos in 1944, just one year after receiving his doctorate in physcial chemistry from Harvard University.

W. W. Snyder Jr.

W. W. Snyder Jr. served in the 509th Headquarters.