SMITH, Hamilton Lanphere, educator, born in New London, Connecticut, 5 November, 1819. He was graduated at Yale in 1889, and, while a student there, constructed what was then the largest telescope in this country, and, in connection with Ebenezer P. Mason, made an extended series of observations on various nebula, the results of which were published in the proceedings of the American academy of arts and sciences (Philadelphia, 1844). He was professor of natural philosophy and astronomy at Kenyon college, Gambler, Ohio, in 1853-'68, and since the latter date has held the same chairs at Hobart. Trinity gave him the degree of LL. D. in 1871. He is president of the American society of microscopists and a member of several foreign and domestic learned societies. His publications include " Natural Philosophy" (Cleveland, Ohio, 1847); "First Lessons in Astronomy and Geology " (1848)" "Species Typicte Diatomacearum," 750 specimens in thirty cases (1885-'7)" and addresses before the American society of microscopists.