Max August Zorn
Max August Zorn (born June 6, 1906 in Krefeld , † March 9, 1993 in Bloomington , Indiana , USA ) was an American professor of mathematics of German descent .
In September 1923, Zorn graduated from the Wilhelm-Gymnasium in Hamburg . He then studied at the University of Hamburg , where he received his doctorate under Emil Artin in April 1930 with his dissertation on the "Theory of Alternative Rings". His dissertation was awarded a university prize. He took his first position at the University of Halle as a research assistant. In 1933 he decided to leave Germany because of the National Socialist policy, because he had u. a. Candidate for a socialist list for the ASTA elections in Hamburg in 1929 .
Zorn emigrated to the USA and got a job at Yale University in 1934 , where he worked until 1936. He then went to the University of California (UCLA), Los Angeles , where he stayed until 1946. During this time one of his students was Israel Nathan Herstein , who later became a mathematician himself. He then became a professor at Indiana University , where he retired in 1971.
Max Zorn married Alice Schlottau, with whom he had a son and a daughter, Jens and Liz.
Zorn worked in various fields of mathematics. His publications went u. a. on issues of algebra , set theory , group theory as well as real and complex analysis . Zorn's most important contribution to modern mathematics is the so-called Lemma von Zorn , a theorem that is equivalent to the axiom of choice in Zermelo-Fraenkel set theory . With its help z. For example, it can be shown that every vector space has a basis. Zorn's lemma simplified proofs that previously could only be carried out with the well-order theorem .
Web links
- Literature by and about Max August Zorn in the catalog of the German National Library
- Pinl on anger in the DMV annual report, on anger p.157
- John J. O'Connor, Edmund F. Robertson : Max August Zorn. In: MacTutor History of Mathematics archive .
Individual evidence
- ↑ Wilhelm-Gymnasium Hamburg , 1881–1981, Höwer Verlag, Hamburg 1981, ISBN 3-922995-00-4 , p. 286. The date for the Abitur is named " Michaelis 1923" because the school year for some classes is at Easter began and ended, and for others at Michaelmas.
| personal data | |
|---|---|
| SURNAME | Zorn, Max August |
| BRIEF DESCRIPTION | American mathematician and university professor |
| DATE OF BIRTH | June 6, 1906 |
| PLACE OF BIRTH | Krefeld |
| DATE OF DEATH | March 9, 1993 |
| Place of death | Bloomington, Indiana , USA |