Dénes Kőnig

Dénes Kőnig (September 21, 1884 – October 19, 1944) was a Jewish Hungarian mathematician who worked in and wrote the first textbook on the field of graph theory.

Kőnig was born in Budapest, the son of mathematician Gyula Kőnig. In 1907, he received his doctorate at, and joined the faculty of the Technische Hochschule in Budapest (today Technical University of Budapest). His classes were visited by Paul Erdős, who, as a first year student, solved one of his problems. Kőnig became a full professor there in 1935.

In the days of the 1944 antisemitic atrocities in Budapest, he committed suicide.

See also

• König's theorem (graph theory)
• König's theorem (set theory) is due to Denes' father, Gyula Kőnig.
• König's lemma

Bibliography

• Kőnig, Dénes (1936), Theorie der endlichen und unendlichen Graphen, Leipzig: Akademische Verlagsgesellschaft . The first graph theory textbook. Translated from German by Richard McCoart, Theory of finite and infinite graphs, Birkhäuser, 1990, ISBN 0817633898.

External links

• O'Connor, John J.; Robertson, Edmund F., "Dénes Kőnig", MacTutor History of Mathematics archive, University of St Andrews, http://www-history.mcs.st-andrews.ac.uk/Biographies/Konig_Denes.html .
• Dénes Kőnig at the Mathematics Genealogy Project.
• a Hungarian biography site
• Dénes Kőnig Prize