Mathematician:Dénes Kőnig

Dénes Kőnig was a Hungarian mathematician who was a pioneer of graph theory.

The son of Gyula Kőnig.

Nationality
Hungarian

History

 * Born: September 21, 1884, Budapest, Hungary
 * Died: October 19, 1944, Budapest, Hungary (by suicide)

Theorems and Definitions

 * König's Theorem (Graph Theory)
 * König's Lemma and a special case König's Tree Lemma

Books and Papers

 * 1936: Theorie der endlichen und unendlichen Graphen (Theory of finite and infinite graphs), the first textbook on graph theory.