Leo Königsberger
Leo Königsberger (15 October 1837 – 15 December 1921) was a German mathematician, and historian of science. He is best known for his three-volume biography of Hermann von Helmholtz, which remains the standard reference on the subject. In 2018, a biography about Helmholtz was written by science historian David Cahan. Biography Königsberger was born in Posen (now Poznań, Poland), the son of a successful merchant. He studied at the University of Berlin with Karl Weierstrass, where he taught mathematics and physics (1860–64). He taught at the University of Greifswald (assistant professor, 1864–66; professor, 1866–69), the University of Heidelberg (1869–75), the Technische Universität Dresden (1875-77), and the University of Vienna (1877–84) before returning to Heidelberg in 1884, where remained until his retirement in 1914. In 1904 he was a Plenary Speaker of the ICM in Heidelberg. In 1919 he published his autobiography, Mein Leben ('My Life'). The biography of Helmholtz was published in 1902 and 1903. He also wrote a biography of C. G. J. Jacobi. Königsberger's own research was primarily on elliptic functions and differential equations. He worked closely with Lazarus Fuchs, a childhood friend. Selected publications Vorlesungen über die Theorie der elliptischen Functionen, nebst einer Einleitung in die allgemeine