Hans Schwerdtfeger

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Hans Schwerdtfeger
Hans Schwerdtfeger.jpg
Hans Schwerdtfeger (left)
Born (1902-12-09)9 December 1902
Göttingen, German Empire
Died 26 June 1990(1990-06-26) (aged 87)
Adelaide, Australia
Nationality German
Fields Mathematics
Institutions University of Melbourne
McGill University
University of Adelaide
Alma mater Bonn University
Doctoral advisor Otto Toeplitz
Doctoral students Peter James Lorimer

Hans Wilhelm Eduard Schwerdtfeger (9 December 1902 – 26 June 1990) was a German-Canadian-Australian mathematician who worked in Galois theory, matrix theory, theory of groups and their geometries, and complex analysis.

"In 1962 he published Geometry of Complex Numbers : Circle Geometry, Möbius Transformations, Non-Euclidean Geometry which: ... should be in every library, and every expert in classical function theory should be familiar with this material. The author has performed a distinct service by making this material so conveniently accessible in a single book. " - O'Connor, John J.; Robertson, Edmund F., "Hans Schwerdtfeger", MacTutor History of Mathematics archive, University of St Andrews .