Biography Category
(y ´hän h n´r kh p s´´tälôt´s ) (KEY) , 1746–1827, Swiss educational reformer, b. Zürich. His theories laid the foundation of modern elemen...
(m g f´ ) (KEY) , 1800–1873, American educator, b. near Claysville, Pa. He was graduated from Washington and Jefferson College in 1826, having mean...
1855–1932, American geographer, b. Perry, N.Y., grad. Colgate Univ., 1879, M. A. Harvard, 1892. After nine years in the Baptist ministry (1882–91)...
(v r´n r är´b r) (KEY) , 1929–, Swiss microbiologist. A professor at the Univ. of Geneva (1960–70) and later at the Univ. of Basel (1971–), A...
1835–1901, American inventor, b. Barnesville, Ohio. He patented many electrical devices, most of them having to do with the telegraph. His telautogr...
1804–34, English explorer. He accompanied Clapperton to the Niger River in 1827 and brought back Clapperton’s journal, which was published (1829) ...