Fleet was the first American Rhodes Scholar, 1904-1907, at Magdalen College, Oxford, and later an instructor in classics, 1907-1908, at Princeton University. Due to his father's ill health he returned home and became an instructor at his alma mater, Culver Military College, Indiana. After the outbreak of World War I, Fleet returned to England in 1916 to become a Second-Lieutenant in the Grenadier Guards and died in the line of duty on May 18, 1918.
From the description of William A. Fleet papers, 1894-1983 (bulk 1916-1918) (Princeton University Library). WorldCat record id: 81900452