Robert König

Who is Robert König?

Robert Johann Maria König was an Austrian mathematician.

He studied from 1903 to 1907 at the University of Vienna and at the University of Göttingen, where he received his PhD under David Hilbert with thesis Oszillationseigenschaften der Eigenfunktionen der Integralgleichung mit definitem Kern und das Jacobische Kriterium der Variationsrechnung. In 1911 he earned his Habilitation qualification at the University of Leipzig with thesis Konforme Abbildung der Oberfläche einer räumlichen Ecke.

He worked next in Leipzig as assistant and privatdocent. In 1914 he was appointed ausserordentliche professor at the University of Tübingen, where in 1921 he became professor ordinarius. In World War I, he was from 1916 to 1918 a member of the Deputy General Staff in Berlin. From 1919 to 1921 he declined three academic calls then accepted in 1922 a call to be ordentlicher professor at the University of Münster as successor to Leon Lichtenstein. From 1922 to 1926, he was assistant to Maximilian Krafft, with whom he wrote the textbook Elliptischen Funktionen. In 1927 König was appointed ordentlicher professor and institute director at the University of Jena, where he replaced Paul Koebe.