J. H. Schlosser, Jr.

E. V. Hughey

John H. Williams

John H. Williams (1908-1966) was a Canadian-American physicist. Williams transferred to Los Alamos in early 1943 and was among the first group of scientists to arrive on the Hill.

John S. Crowley

Crowley worked in the United States Engineer District Office.

H. R. Olson

H. R. Olson worked for the J.A. Jones Construction Company.