National Museum of Nuclear Science & History
N. B. Walsh worked for the United States Engineer District Office.
William J. Van Buskirk was a machinist who worked at Los Alamos for over three decades. Van Buskirk started working at Los Alamos in 1943, a year after he graduated from high school.
Gibson worked at the 300 Area at Hanford during the Manhattan Project.
H. G. Mullican worked for the J.A. Jones Construction Company.