Subject: [Fwd: Vietoris obit (110)] Date: Mon, 15 Apr 2002 17:35:14 -0400 From: jim stasheff To: dondavis Peter Freyd wrote: > > Copyright 2002 Deutsche Presse-Agentur > Deutsche Presse-Agentur > > April 12, 2002, Friday > > SECTION: Miscellaneous > > LENGTH: 301 words > > HEADLINE: Austria's oldest citizen, mathematician Vietoris, dies aged > 110 > > DATELINE: Innsbruck > > BODY: Austria's oldest citizen Leopold Vietoris, a pioneer of topology > and technical mathematics in the 1920s, has died at the age of 110, it > was announced on Friday. > > He died in his home town of Innsbruck Thursday night. His death was > only a few weeks after that of his 101-year-old wife Maria, with whom > he had been married 66 years. > > Retired Innsbruck University professor Vietoris was one of Austria's > most distinguished mathematicians, and an international figure of > repute. > > He published a total of 80 mathematical papers, the last one seven > years ago at the age of 103. > > In his doctoral thesis at Vienna University in 1921 on "steady > quantities", he set out a number of fundamental definitions and rules > which have since become an integral part of the discipline of > topology. > > In the international mathematical world his name was well known, and > immortalized in such concepts as "Vietoris Cycles" and the > "Vietoris-Begles Formula". > > One of the tools of all modern topologists are the "Mayer-Vietoris > Sequences". > > He developed them together with Walther Mayer, who went on to become > an assistant of Albert Einstein and teacher at the Institute of Higher > Mathematical Studies at Princeton, USA. > > Leopold Vietoris was born on June 4, 1891 at Radkersburg in Austria. > > He started his studies of mathematics at Vienna Technical University > in 1910, but was called up to the army in World War One, and therefore > only managed to finish in 1920. > > For the next seven years he was a lecturer in Graz and Vienna, before > being awarded a professorship at Innsbruck University. With only short > breaks, he remained there until his retirement in 1961. > > Vietoris, for decades a keen mountain climber and skier, was given > Austria's highest award for science and the arts in 1973. dpa qu sc