Hans Hahn was an Austrian mathematician and philosopher who made contributions to functional analysis, topology, set theory, the calculus of variations, real analysis, and order theory. In philosophy he was among the main logical positivists of the Vienna Circle.
- Occupation
- mathematician, philosopher, topologist, university teacher
- Citizenship
- Austria
- Born
- September 27, 1879
- Died
- July 24, 1934
