Hugo Steinhaus
Polish mathematician (1887-1972) · Poland · On the map · Academics · Died at 85
Hugo Dyonizy Steinhaus was a Polish mathematician and educator. Steinhaus obtained his PhD under David Hilbert at Göttingen University in 1911 and later became a professor at the Jan Kazimierz University in Lwów, where he helped establish what later became known as the Lwów School of Mathematics.
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A typical day, 30 days to 6 November 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 110 days, one point a day.
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He is credited with "discovering" mathematician Stefan Banach, with whom he gave a notable contribution to functional analysis through the Banach-Steinhaus theorem. After World War II Steinhaus played an important part in the establishment of the mathematics department at Wrocław University and in the revival of Polish mathematics from the destruction of the war.