Complex sentence: In 1911, Sutherland founded a tuberculosis clinic and an open-air school in the bandstand of Regent's Park in London and produced "The Story of John M'Neil", thought to be Britain's first cinema film on health education.
Split into simpler sentences: In 1911, Sutherland founded a tuberculosis clinic and an open-air school in the bandstand of Regent's Park in London. He also produced a cinema film on tuberculosis, thought to be Britain's first cinema film on health education.