Karl Stein (mathematician)

Karl Stein
Karl Stein in Eichstätt, 1968
Born
Frank Reginald Nunes Nabarro

(1913-01-01)1 January 1913
Hamm, Westphalia
Died19 October 2000(2000-10-19) (aged 87)
Ebersbach an der Fils, Baden-Württemberg
Alma materUniversity of Münster
Known forStein manifold
Stein factorization
Behnke–Stein theorem
Behnke–Stein theorem on Stein manifolds
Remmert–Stein theorem
AwardsCantor Medal (1990)
Scientific career
FieldsComplex analysis
Cryptography
InstitutionsLudwig-Maximilians-Universität München
Academic advisors
Heinrich Behnke
Doctoral students
Otto Forster
Gunther Schmidt
Martin Schottenloher

Karl Stein (1 January 1913 in Hamm, Westphalia – 19 October 2000) was a German mathematician. He is well known for complex analysis and cryptography. Stein manifolds and Stein factorization are named after him.