Leopold Vietoris
| Leopold Vietoris | |
|---|---|
Leopold Vietoris on his 110th birthday
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| Born |
4 June 1891 Bad Radkersburg, Styria Austria-Hungary |
| Died | 9 April 2002 (aged 110 years, 309 days) Innsbruck, Tyrol Austria |
| Nationality | Austrian |
| Fields | Mathematics |
| Institutions | University of Innsbruck |
| Alma mater | University of Vienna |
| Doctoral advisor |
Gustav Ritter von Escherich Wilhelm Wirtinger |
| Doctoral students |
Eva Ambach Walter Dürk Helmut Grömer Kurt Hellmich Hiltrud Jochum Johann Leicht Fortunat Pescolderung Martha Petschacher Gerhard Riege |
| Known for | Contributions to topology Being a supercentenarian |
| Spouse | Klara Riccabona (m. 1928-1935) (her death) Maria Josefa Vincentia Vietoris, born von Riccabona zu Reichenfels (m. 1936–2002) (her death) |
| Children | 6 |
Leopold Vietoris (/viːˈtɔərɪs/; German: [viːˈtoːʀɪs]; 4 June 1891 – 9 April 2002) was an Austrian mathematician and a World War I veteran. He was born in Radkersburg and died in Innsbruck.
He was known for his contributions to topology—notably the Mayer-Vietoris sequence—and other fields of mathematics, his interest in mathematical history and for being a keen alpinist. Vietoris attended the University of Vienna, where he earned his Ph.D in 1920.
He studied mathematics and geometry at the Technical University in Vienna. Vietoris was drafted in 1914 in World War I and was wounded in September that same year. On 4 November 1918, one week before the Armistice of Villa Giusti, he became an Italian prisoner of war. In autumn 1928 he married his first wife Klara Riccabona, who later died while giving birth to their sixth daughter. In 1936 he married Klara's sister, Maria Riccabona.
Vietoris was survived by his six daughters, 17 grandchildren, and 30 great-grandchildren.
He lends his name to a few mathematical concepts:
Vietoris remained scientifically active in his later years, even writing one paper on trigonometric sums at the age of 103.
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