translation "Topics in complex function theory", 3 vols., Wiley) Letter to Louis J. Mordell, March 3, 1964. about Siegel: Harold Davenport: Reminiscences on conversations with Carl Ludwig Siegel, Mathematical Intelligencer 1985, Nr.2 Helmut Klingen, Helmut Rüssmann, Theodor Schneider: Carl Ludwig Siegel, Jahresbericht DMV, Bd.85, 1983(Zahlentheorie, Himmelsmechanik, Funktionentheorie) Jean Dieudonné: Article in Dictionary of Scientific Biography Eberhard Freitag: Siegelsche Modulfunktionen, Jahresbericht DMV, vol. 79, 1977, pp. 79–86 Hel Braun: Eine Frau und die Mathematik 1933–1940, Springer 1990 (Reminiscence) Constance Reid: Hilbert, as well as Courant, Springer (The two biographies contain some information on Siegel.) Max Deuring: Carl Ludwig Siegel, 31. Dezember 1896 – 4. April 1981, Acta Arithmetica, Vol. 45, 1985, pp. 93–113, online and Publications list Goro Shimura: "1996 Steele Prizes" (with Shimura's reminiscences concerning C. L. Siegel), Notices of the AMS, Vol. 43, 1996, pp. 1343–7, pdf Serge Lang: Mordell's Review, Siegel's letter to Mordell, diophantine geometry and 20th century mathematics'', Notices American Mathematical Society 1995, in Gazette des Mathematiciens 1995, See also Bourget's hypothesis Siegel's conjecture Siegel's number Siegel disk Siegel's lemma Siegel upper half-space Siegel–Weil formula Siegel parabolic subgroup Smith–Minkowski–Siegel mass formula Riemann–Siegel formula Riemann–Siegel theta function Siegel–Shidlovsky theorem Siegel–Walfisz theorem Siegel's theorem (Minkowski–Hlawka theorem) References External links Freddy Litten Die Carathéodory-Nachfolge in München 1938–1944 85. Vol. Heft 4 der DMV (with 3 articles about Siegel's life and works) (PDF; 6,77 MB) Siegel Approximation algebraischer Zahlen, Mathematische Zeitschrift, vol.10, 1921, Dissertation Siegel „Additive Zahlentheorie in Zahlkörpern“, 1921, Jahresbericht DMV Website University Göttingen with biography and additional explanations 1896 births 1981 deaths 20th-century German mathematicians University of Göttingen alumni Academic staff of the University of Göttingen Academic staff of Goethe University Frankfurt Institute for Advanced Study faculty Number theorists Wolf Prize in Mathematics laureates Knights Commander of the Order of Merit of the Federal Republic of Germany Recipients of the Pour le Mérite (civil class) Foreign associates of the National Academy of Sciences Members of the Royal Swedish Academy of Sciences