Karel Reisz was a British filmmaker who was active in postWorld War II Britain, and one of the pioneers of the new realist strain in 1950s and 1960s British cinema.
Reisz was born in Ostrava, Czechoslovakia, of Jewish extraction. He was a refugee, one of the 669 rescued by Sir Nicholas Winton. His father was a lawyer. He came to England in 1938, speaking almost no English, but eradicated his foreign accent as quickly as possible. After attending Leighton Park School, he joined the Royal Air Force towards the end of the war his parents died at Auschwitz. Following his war service, he read Natural Sciences at Emmanuel College, Cambridge, and began to write for film journals, including Sight and Sound. He cofounded Sequence with Lindsay Anderson and Gavin Lambert in 1947.
Source: Wikipedia