Complex sentence: The Famous Players Film Company or Celebrated Players was founded in 1912 by Adolph Zukor in partnership with the Frohman brothers, the powerful New York City theatre impresarios.
Split into simpler sentences: The Famous Players Film Company or Celebrated Players was film company. It was founded in 1912 by Adolph Zukor in partnership with the Frohman brothers, the powerful New York City theatre impresarios.