KLEIN, FELIX' (1849—). Clue of the most eminent of living German mathematiciang. He was burn at Diisseldorf, studied at Bonn, and when only seventeen was made assistant to PIticker in the Physical Institute. The follow ing year (18ti8) he took his doetor's degree, and then went to Berlin and later to Giitting•n, where he assisted in editing Phi•ker's works. Ile en tered the Gottingen faculty in 1871. hecanie pro• fessor of mathematies at Erlangen in 1s72. and subsequently held professorships at Munich ( 1875 ) , Leipzig. 118801. and Gottingen Isstii. Ile was :ma by the Prussian Government to represent the university interests at Chicago in 1893, and his colloquium held at that time was attended by sonic of the leading American mathe maticians. \o one else in Germany has exereised so great an influence on American mathematics, Klein's pupils being found in most of the leading institutions of this country. Ilis contributions to mathematics have been too tI) admit of more than a brief list. The following are a few of his important works: reber 1 liem nas Theorie der alyebraisehen ['link Natoli and Hirt ( 1882 ) ; Vorlesuma r dos lhosaeder and die .1 ullYsung der Gleirhungen rota .; ten
Oracle I 1884 : 1:( bt r die hyperyewn rische Punkt ion (1894); l'ebe• 1 ineare glciehurrgen der Ord nuny (1894) ; 7litorie (1. s hiv reisels (with Sommerfehl, 2 vols., 1897 l'orle.sungi•n fiber die Theori( (1, r s ISp1iselnn Nod ulfa nhtionca (1890—) : 1h/then:a lira/ Theory of the Top ( Princeton address; New York. 1897); Fort rage Ube,- a nsin •Irit hl le Frail, n d, r Elemen tary( oinetrie I 18•5; Eng. ed. Boston, 1897) : his Evanston Colloquium (1893) before the Congress of Mathematics was reported and published 1(y Ziwet (New York, 1894). Klein also edited the works of Aliihius 11885-87). In 1875 lie one of the editors of the 31a/hermit ische n nolen. in 1897 lie began, jointly with Erieke, the pub lication of Vorlesungen fiber die Th, orie der FunktiCHICII.