Bernard DeVoto

(Wikipedia) Bernard Augustine DeVoto (January 11, 1897 – November 13, 1955) was an American historian and author who specialized in the history of the American West.
... In DeVoto's later years, he gained fame for his popular histories of the West: The Year of Decision: 1846 (1943), Across the Wide Missouri (1947), The Course of Empire (1952), and a popular abridged edition of The Journals of Lewis and Clark (1953). Across the Wide Missouri won the Pulitzer Prize for History (1948 and The Course of Empire won the National Book Award for Nonfiction (1953). Continued