Grierson, John
Pronunciation: /ˈgrɪəs(ə)n/
- (1898–1972), Scottish film director and producer, pioneer in British documentary film-making. He directed or produced films such as Drifters (1929) and Night Mail (1936) that broke new ground in showing the lives of working people. He headed the GPO Film Unit (1933-9) and established the National Film Board of Canada (1939).