Siegmund Dieter Puppe (1930-2005) was a German mathematician who made important contributions to algebraic topology and homotopy theory in particular. He held a chair at Heidelberg University from 1968 until his retirement in 1996. Among other publications he notably published in 1966 together with H.-B. Brinkmann Kategorien und Funktoren , one of the first German language textbooks1 on category theory.
Early discussion of long exact sequences of homotopy groups (whence “Puppe sequences”):
On homotopy theory:
On dualizable objects, traces and the Becker-Gottlieb transfer:
In the same year Hasse and Michler published Theorie der Kategorien, Deutscher Verlag der Wissenschaften Berlin (1966) ↩
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