- Born 3 March 1908, Ropczyce, Poland
- Died 3 June 2014, Jerusalem, Israel
- MPhil Stefan Batory University (Vilnius, then Poland) 1931
- PhD September 1949, University of California at Berkeley
- Adviser: Jerzy Neyman
- Dissertation: I. On a problem of confounding in symmetrical factorial design II. Contribution to the theory of testing of composite hypotheses
- Primary employer: Michigan State University; Hebrew University of Jerusalem