Are both John Grierson and A. Edward Sutherland from the United Kingdom?
John Grierson John Grierson CBE (26 April 1898 – 19 February 1972) was a pioneering Scottish documentary maker, often considered the father of British and Canadian documentary film. In 1926, Grierson coined the term "documentary" in a review of Robert Flaherty's "Moana".
Janet Teissier du Cros Janet Teissier du Cros "née" Janet Sinclair Craigie Grierson (1905–1990) was a writer, translator, broadcaster and pianist who was brought up in Scotland and then lived in France for sixty years. She wrote about her life in wartime France in "Divided Loyalties:a Scotswoman in Occupied France".