Helmut Wielandt
Helmut Wielandt was a German mathematician who worked on permutation groups.
He gave a plenary lecture Entwicklungslinien in der Strukturtheorie der endlichen Gruppen at the ICM in 1958 at Edinburgh and was an Invited Speaker with talk Bedingungen für die Konjugiertheit von Untergruppen endlicher Gruppen at the ICM in 1962 in Stockholm.Publications
Among his work in Algebra is an elegant proof of the Sylow Theorems that is in the standard textbooks on Abstract Algebra, i.e. Group Theory.
