Topic summary
F. W. Thring

Francis William Thring III (2 December 1882 – 1 July 1936) was an Australian film director, producer, and exhibitor. He has been credited with the invention of the clapperboard.
Topic summary

Francis William Thring III (2 December 1882 – 1 July 1936) was an Australian film director, producer, and exhibitor. He has been credited with the invention of the clapperboard.