Ernst Zermelo
German mathematician (1871-1953) · Germany · On the map · Academics · Died at 81
Ernst Friedrich Ferdinand Zermelo was a German logician and mathematician, whose work has major implications for the foundations of mathematics. He is known for his role in developing Zermelo-Fraenkel axiomatic set theory and his proof of the well-ordering theorem.
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Furthermore, his 1929 work on ranking chess players is the first description of a model for pairwise comparison that continues to have a profound impact on various applied fields utilizing this method.