Avery, Elroy McKendree; author; born at Erie, Monroe Co., Mich., July 14, 1844; son of Casper Hugh and Dorothy (Putnam) Avery; Ph. B., U. of Mich., 1871, Ph. M., 1874; Ph. D., Hillsdale Coll., 1881 (1894; D. C. L., 1911); served in Civil War: mustered out as sergt. maj., 11th Mich. Cav.; married, Catherine Hitchcock Tilden (q. v.), July 2, 1870; Prin. High School, Battle Creek, Mich., 1869; high and normal schools, Cleveland, O., 1871-9; member’ Cleveland City Council, 1871-2; Ohio Senate, 1893-7; Fellow A. A. A. S.; member many history and economic societies. Author: Elementary Physics, 1876; Elements of Natural Philosophy, 1878; Physical Technics, 1879; Teachers’ Hand Book of Natural Philosophy, 1879; Elements of Chemistry, 1881; Teachers’ Hand Book of Chemistry, 1882; Complete Chemistry, 1883; First Principles of Natural Philosophy, 1884; Words Correctly Spoken, 1887; Columbus and the Columbia Brigade, 1892; School Physics, 1895; Elementary Physics, 1897; First Lessons in Physical Science, 1897; School Chemistry, 1904; The Town Meeting, 1904; The Groton Avery Clan, (2 vols.), 1911; History of the United States and Its People, 16 vols.