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".
H. J. C. Grierson Sir Herbert John Clifford Grierson (1866–1960) often referred to as Herbert J. C. Grierson, was a Scottish literary scholar editor and literary critic.