Czesław Ryll-Nardzewski

Czesław Ryll-Nardzewski
Born	October 7, 1926 (1926-10-07) (age 85) Wilno, Commonwealth of Poland
Nationality	Poland
Fields	Mathematics
Institutions	Wrocław University of Technology Warsaw University
Doctoral advisor	Mieczysław Biernacki
Doctoral students	Anzelm Iwanik Kazimierz Musiał Leszek Pacholski Rastislav Telgarsky

Czesław Ryll-Nardzewski (Polish pronunciation: [ˈt͡ʂɛswav ˈrɨl narˈd͡zɛfskʲi]; born October 7, 1926) is a Polish mathematician.

He was a student of Hugo Steinhaus. At the age of 26 he became professor at the Warsaw University and in 1959 at the Wrocław University of Technology. His main research areas are measure theory, functional analysis, foundations of mathematics and probability theory. Several theorems bear his name: the Ryll-Nardzewski fixed point theorem, the Ryll-Nardzewski theorem in model theory, and the Kuratowski–Ryll-Nardzewski measurable selection theorem.

He is a member of the Polish Academy of Sciences since 1967.

References

• Short biography at the Polish Academy of Sciences
• Czesław Ryll-Nardzewski at the Mathematics Genealogy Project.

Persondata
Name	Ryll-Nardzewski, Czeslaw
Alternative names
Short description
Date of birth	October 7, 1926
Place of birth	Wilno
Date of death
Place of death