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KÖNIGSBERGER, LEO:

German mathematician; born in Posen Oct. 15, 1837. He studied in Berlin (Ph.D. 1860), and was appointed instructor in mathematics and physics at the Military Academy, Berlin, in 1861; in 1864 he was made assistant professor, in 1867 professor, of mathematics in Greifswald; and in 1869 he succeeded O. Hesse as professor in Heidelberg. In 1875 he was called to the polytechnic school of Dresden, and in 1877 to Vienna University. He is at present (1904) professor of mathematics at the University of Heidelberg, and is a member of the academies of Berlin, Munich, and Göttingen, as well as of many other learned societies.

Besides publishing many essays and contributions to scientific journals, Königsberger is the author of the following works: "Modulargleichungen der Elliptischen Functionen," Leipsic, 1868; "Vorlesungen über die Theorie der Elliptischen Functionen," ib. 1874; "Vorlesungen über die Theorie der Hyper-Elliptischen Integralrechnung," ib. 1878; "Zur Gesch. der Theorie der Elliptischen Transcendenten 1826-29," ib. 1879; "Allgemeine Untersuchungen zur Theorie der Differential Gleichungen," ib. 1882; "Principien der Mechanik," 1901. He is also the biographer of Helmholtz ("Herman von Helmholtz," 3 vols., Brunswick, 1902-3).

Bibliography:
  • Poggendorff, Biographisch-Literarisches Handwörterb. zur Gesch. der Exacten Wissenschaften, Leipsic, 1898.
S. H. Gut.
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