John Grierson (1898 - 1972) was one of the most influential early documentary filmmakers.

He was the creative organizer who formed and ran the Empire Marketing Board Film Unit (better known as the EMB Film Unit).

Filmography as director:

Filmography as producer:
  • Man of Africa
  • The Oracle (documentary)
  • Miss Robin Hood
  • You're Only Young Twice
  • The Brave Don't Cry
  • Brandy for the Parson
  • The Obedient Flame
  • Coal Face
  • Granton Trawler
  • Pett and Pott: A Fairy Story of the Suburbs
  • Song of Ceylon