National Museum of Nuclear Science & History
Benjamin Nelson served in the Army at Los Alamos during the Manhattan Project.
Royden Johannesson worked for the United States Engineer District Office.
Rolf Peterson was a physicist at Los Alamos from 1943 through the end of the war. Peterson graduated from St.
Howard Schmitz worked for the United States Engineer District Office.
Spear worked at the 200 East Area at Hanford during the Manhattan Project.
