Adrain, Robert
mathematician, was born Sept. 30, 1775, in Ireland. He taught school in New Jersey and Pennsylvania, contributed to scientific journals, and from 1810 to 1813 was professor of natural philosophy and mathematics in Rutgers college; then until 1825 in Columbia college; and from 1827 to 1834 was professor of mathematics in the university of Pennsylvania. He edited Hutton's Mathematics, published essays on the figure and magnitude of the earth and on gravity, and was editor from 1825 to 1829 of the Mathematical Diary. He died Aug. 10, 1843, in New Brunswick, N. J.