Peter Paul Nikolas Orlik (born 12 November 1938, in Budapest)[1] is an American mathematician, known for his research on topology, algebra, and combinatorics.
[2] Orlik earned in 1961 his bachelor's degree from the Norwegian Institute of Technology in Trondheim and in 1966 his Ph.D. from the University of Michigan under Frank Raymond with thesis Necessary conditions for the homeomorphism of Seifert manifolds.
Orlik was in the academic year 1971/72 a visiting professor in Oslo.
[2] He was, with Louis Solomon and Hiroaki Terao, a pioneer of the theory of arrangements of hyperplanes in complex space.
In 2012 he was elected a Fellow of the American Mathematical Society.