Hopkins, Erastus
clergyman, author, was born April 7, 1810, in Hadley, Mass. He was a presbyterian clergyman, long a resident of Northampton, Mass., and the author of The Family a Religious Institution. He died Jan. 24, 1872, in Northampton, Mass.
HOPKINS, FREDERICK VINCENT, educator, physician, surgeon, author, was born May 23, 1839, in Burlington, Vt.
He was surgeon and professor of geology in Louisiana state university; in charge of the geological survey of that state from 1868 till 1874, surgeon to the New Almaden and Sulphur Bank quicksilver mine in 1876-82, and since then has practiced medicine in San Francisco. He has originated a method of killing the bacilli of tuberculosis and leprosy by half-inch sparks from a Ruhmkorff coil. He has written four reports on the Geology of Louisiana.