premise: The Invisible Man was a movie made in the era of film after the introduction of sound but before the "Hays Code" was enforced.
hypothesis: Pre-Code Hollywood refers to the brief era in the American film industry between the introduction of sound pictures in 1929 and the enforcement of the Motion Picture Production Code censorship guidelines , popularly known as the `` Hays Code '' , in mid-1934 . The Invisible Man is an American 1933 Pre-Code science fiction horror film based on H. G. Wells ' science fiction novel The Invisible Man , published in 1897 , as adapted by R.C. Sherriff , Philip Wylie and Preston Sturges , whose work was considered unsatisfactory and who was taken off the project .