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".
J. G. Greig Canon (Colonel) John Glennie Greig (24 October 1871, Mhow, India – 24 May 1958, Milford on Sea, Hampshire) was an Englishman who played most of his cricket in India.