Walter Krieger

C. L. Dyer

Dyer worked for Stone and Webster Engineering Corporation.

Louis C. Burke

Manuel M. Alcalde

Manuel Montes Alcalde (1921-2009) was a machinist at Los Alamos during the Manhattan Project. Alcalde was born in San Leandro, California.

John Lansdale

John Lansdale (1912 – 2003) was a colonel in the US Army. Lansdale first learned of the Manhattan project from National Defense Research Committee Chairman James B.