Desiderio Alberto Arnaz y de Acha III (March 2, 1917 - November 2, 1986), popularly known as Desi Arnaz, was an American musician, actor, comedian and television producer, both stage and real-life husband of Lucille Ball.
Born in Santiago, Cuba, he started his career as a musician, playing guitar and percussion with many Latin orchestras, including that of his mentor, Xavier Cugat. Arnaz had a hit with the salsa-flavored "Babalu".
After his service in World War II, Arnaz founded his own orchestra, which was successful in live appearances and recordings. After he become engaged in television, he kept the orchestra on his payroll throughout the period he remained an active producer.
He produced and starred in I Love Lucy. He was told that his Cuban accent and Latin style would not be agreeable to American viewers, but he overcame these objections by auditioning the proposed television show before live audiences with great success.
He was the founder, with Lucy, of Desilu productions. There he developed the multicamera setup production style using adjacent sets that become the standard for all subsequent situation comedies. In addition to I Love Lucy,he produced December Bride, Make Room for Daddy and Our Miss Brooks, all Top Ten shows in their time. He is also credited with the invention of the rerun.
Arnaz' marraige with Ball began to collapse under his serious problems with drugs, alchohol and sexual addiction and they divorced.