HEDRICK
HEINS
at YarDiouth, Mass. He was graduated at Har-
vard iu 1792; was a tutor there, 1795-1810; pro-
fessor of logic and metaphysics during the entire
period of the existence of that chair, 1810-27;
and Alford professor of natural re-ligion, moral
philosophy and civil polity, 1827-32. He was
married in 1801 to Mary, daughter of Dr. William
and Elizabeth (Holyoke) Kneeland, and grand-
daughter of Pres. Edward Holyoke of Harvard
college. He was a fellow of the American acad-
emy of arts and sciences and a member of the
Massacliusetts historical society. He received
from Brown university the degree of A.M. in
1808, and from Yale that of LL.D. in 1823. He
published A System of Logic (1818) ; and an
abridgement of Brown's Mentnl Philosophy (1827).
He died at Cambridge, Mass., Jan. 3, 18-44.
HEDRICK, Benjamin Sherwood, chemist, was born near Salisbury, Rowan county (now Davidson county), N.C.,Feb. 13, 1827; son of John Leonard and Elizabeth (Sherwood) Hedrick, great-grandson of Peter Hedrick and great^ grandson of Peter Hedrick of Penn.sylvania and of German descent. He was prepared for college at an academy directed by the Rev. Jesse Rankin near Lexington, N.C., and was graduated from the University of North Carolina, A.B., 1851. He was clerk in the office of the Nautical Alma- nac, Washington, D.C., 1851-52; took advanced instruction at Harvard in chemistry and mathe- matics and attended the lectures of Professor Agassiz, 1852-53; was professor of analytical and agricultui-al chemistry at the University of North Carolina, 1853-58; and on Oct. 21, 1856, while attending an educational convention at Salisburj'-, N.C., an attempt was made to tar and feather him for his outspoken anti-slavery sentiments. He escaped and in a few days went nortli where he remained until Januarj^, 1857, when he re- turned to the university and his home. He again went north the next year and was employed as clerk in the mayor's office. New York (^ity, and at the same time lectured and taught scliool. He was principal examiner in the U.S. patent office; chief of the division of chemistry, metallurgy and electricity ; and general chemical examiner and director of one of the chemical divisions, 1861-65. In 1865 he returned to North Carolina and identified himself with the reconstruction measures undertaken by the Republican party in establishing a provisional government. When General Grant became President the Democrats resumed the control of political affairs in the state and Professor Hedrick returned to Wash- ington. He was professor of chemistry and toxi- cology at Georgetown university, D.C., 1872-76. He was married. June 3, 1852, to Mary, daughter of William Thompson of Orange county, N.C. He died in Washington, D.C., Sept. 2, 1886.
HEILPRIN, Angelo scientist, was born in
Satoralja-Ujhely, Hungary, March 31, 1853;
son of Michael Heilprin, a Hungarian patriot,
who emigrated to the United States in 1856 and
engaged in literary work. Angelo came to the
United States with his father, and subsequently
studied science in London, Geneva, and else-
where, devoting also some time to the study of
art. He held the chair of invertebrate paleontol-
ogy and geology at the Academy of natui-al sci-
ences in Philadelphia, of which institution he was
the executive curator, 1883-92, and also professor
of geology at the Wagner free institute of
science in Philadelphia. He was largely instru-
mental in founding the Geograpliical society of
Philadelphia in 1892, of which he was for six
years president. He led the Peary relief expedi-
tion organized by the Academy of natural sci-
ences in 1892. He is the author of : Cvntribtitions
to the Tertiary Geology and Paleontology of the
United States (1884); Toion Geology: The Lesson
of the Philadelphia Rocks (1885) ; The Geographical
and Geological Distribution of Animals (1887) ; Ex-
plorations on the West Coast of Florida and in the
Okeechobee Wilderness (1887) ; The Bermuda Islands
(1888); The Arctic Problem (1893); The Earth and
Its Story (1896); Alaska and the Klondike (1899);
an 1 various magazine articles.
HEINS, George Lewis, architect, was born in Philadelphia, Pa., May 24, 1860; son of Jolm and Anne Maria (Vaughan) Heins. He was a student at the University of Pennsylvania, 1877-79, and was graduated at the Massachusetts Institute of
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CATHEPRAL OF ST.JOHAJ THE. PI Vl/^ £ ,-/M.Y.<lTY.
Technology in the department of architecture in 1882. He was employed in an architect's office in Minneapolis, Minn., 1882-83; and in St. Paul, Minn., 1883-84, where he was joined by his class- mate, C. Grant La Farge. They removed to New York city in 1884, served for one year as architec- tural assistants to Jolm La Farge, the decorative artist, and m 1886 the young men formed a co-
