Otfried Cheong (Korean: 오트프리드 정; formerly Otfried Schwarzkopf) is a German computational geometer working in South Korea at KAIST.
He is known as one of the authors of the widely used computational geometry textbook Computational Geometry: Algorithms and Applications (with Mark de Berg, Marc van Kreveld, and Mark Overmars)[1] and as the developer of Ipe, a vector graphics editor.
[2] Cheong completed his doctorate from the Free University of Berlin in 1992 under the supervision of Helmut Alt.
[4] Cheong was co-chair of the Symposium on Computational Geometry in 2006, with Nina Amenta.
[5] In 2017 he was recognized by the Association for Computing Machinery as a Distinguished Scientist.