Desiderio Alberto Arnaz y de Acha III, better known as Desi Arnaz or Desi Arnaz, Sr., was a Cuban-born American actor, musician, and television producer. He is best remembered for his role as Ricky Ricardo on the American television series sitcom I Love Lucy. He co-starred on that show with dramatic and comedienne actress Lucille Ball (1911-1989), to whom he was married at the time. He and Ball are generally credited as the inventors of the syndicated rerun, which they pioneered with the I Love Lucy series.
