appendix b: biographical skktohes. 709 



Kentucky State College. Was at the head of the chemical department of the State 

 ( reological Survey, 1854-1861, ami particularly active in the study of soils and min- 

 eral waters. 



Biogr. Memorial Trans. Ky. State Med. Soc. Ill, 1895. 



Potter, William Bleecker. Mining engineer and metallurgist. 



Born in Schenectady, N. V., March 23, 1846. Graduated from Columbia, 1866; 

 assistant, geology, Columbia, 1869-1871. Assistant on geological survey of Ohio; 

 professor mining and metallurgy, Washington University, St. Louis, 1 s 7 1 . 

 Powell, John Wesley. Ethnologist and administrator. 



Born in Mount Morris, N. Y., March 24, 1834; died in Haven, Me., September 

 23, 1902. Served through civil war, reaching rank of major. After war, profes- 

 sor of geology in Illinois Wesleyan University and Illinois Normal University. 

 Explored Grand Canyon of Colorado, LS(i9. In 1871-1879, at head of survey of the 

 Rocky Mountains. In 1879, the Bureau of Ethnology was established and Major 

 Powell made director, a place that lie held until his death. In L881-1894, also director 

 of U. S. Geological Survey. 



Wm. H. Brewer. Am. Jour. Sci., XIV, Nov., 1902. pp. 377-382. 

 Biogr. G. P. Merrill. Am. Geologist, .Tune. '03. pp. 327-333. 



Prime, Frederick. Geologist and metallurgist. 



Born in Philadelphia, March 1, 1846. Graduated from Columbia College, 1865, 

 A. M. Studied four years at Royal School of Mines, Freiberg, Saxony. Assistant 

 professor Columbia School of Mines, 1869-70; professor geology and metallurgy, 

 Lafayette College, 1870-1879; assistant State geologist of Pennsylvania, 1874-1879; 

 professor natural history, Girard College, since 1895. 

 Pumpelly, Raphael. Geologist. 



Born in Oswego, N. Y. , September 8, 1837. In 1862-63, employed in economic work 

 by Japanese and Chinese Governments. In 1865, appointed, professor of mining 

 engineering in Harvard University. In 1869-1871, State geologist of Michigan, and, 

 1872-73, director of State survey of Missouri. In 1881, director northern transconti- 

 nental survey, and, 1884-1890, in charge archean division of the tJ. S. Geological 

 Survey. 



Biogr. Nat. Cyclopedia, VI, p. 362. 

 Redfield, William C. Meteorologist. 



Born near Middletown, Conn., March 26, 1789; died in New York City, February 

 12, 1857. Wrote principally on meteorology, being the author of some 62 papers on 

 this subject. Also wrote articles on geology, with particular reference to the eastern 

 Triassic areas. 



Biogr. Am. Jour. Sri., XXIII. 1S57. pp. 292-293: XXIV. 1857, pp. 35.5-373: Canadian Nat. & Geol., 



II, 1857, pp. 426-446. 

 H. L. Fairehild. History of New York Academy of Science, 1887, pp. 70-81. 



Roepper, William T. Mineralogist. 



Born in Peilau, Lower Silesia, March 7, 1810; died in Bethlehem, Pa., March 11, 

 1880. Came to America in 1840 in the service of the Moravian Church. In 1866, 

 was appointed professor of mineralogy and geology and curator of museum in Lehigh 

 University, Bethlehem, Pa., retaining the professorship for three years, but remain- 

 ing curator until 1871. His writings were mostly of a mineralogical nature. 



Biogr. Am. Jour. Sci., XIX, 1880, p. 340. 

 Rogers, Henry Darwix. Geologist, 



Born in Philadelphia, August 1, 1808, and died near Glasgow, Scotland, May 29, 

 1866. Professor of chemistry and natural philosophy in Dickinson College, 1830-31. 

 Professor of geology and mineralogy in University of Pennsylvania, 1835-1846. 

 State geologist of New Jersey, 1835-1840; State geologist of Pennsylvania, 1846-lNiVj; 

 regius professor of natural history in University of Glasgow, Scotland, 1857-1866. 



