J S (John Stepan) Zamecnik (Composer)
Born: 14th May 1872, Cleveland, Ohio, United States
Died: 13th June 1953, Los Angeles, California, United States
Nationality: American
John Stepan Zamecnik was an American composer and conductor. He is best known for the "photoplay music" he composed for use during silent films by pianists, organists, and orchestras.
Zamecnik used many pseudonyms, including Dorothy Lee, Lionel Baxter, R.L. (Robert) Creighton, Arturo de Castro, "Josh and Ted", J. (Jane) Hathaway, Kathryn Hawthorne, Roberta Hudson, Ioane Kawelo, J. Edgar Lowell, Jules Reynard, F. (Frederick) Van Norman, Hal Vinton and Grant Wellesley.
Read more at https://en.wikipedia.org/wiki/John_Stepan_Zamecnik