CALLAHAN, North. American, b. 1908. Genres: History, Biography. Career: Professor Emeritus of History, New York University, NYC (Associate Professor, 1957-62; Professor 1962-73). Writer, syndicated column, So This Is New York, 1943-68; Public relations consultant, NYC, 1945-55; Professor of American History, Finch Coll., NYC. 1956-57. Publications: Armed Forces as a Career, 1947; Smoky Mountain Country, 1952; Henry Knox: General Washington's General, 1958; Daniel Morgan: Ranger of the Revolution, 1962; Tories of the American Revolution, 2 vols., 1963, 1967; Carl Sandburg: Lincoln of Our Literature, 1970; George Washington: Soldier and Man, 1972; TVA: Bridge over Troubled Waters, 1980; Peggy (novel), 1982; Daybreak (novel), 1985; Carl Sandburg: His Life and Work, 1987; Thanks Mr. President: The Trail-Blazing Second Term of George Washington, 1991. Address: 600 Pine St., Chattanooga, TN 37402, U.S.A.