Complex sentence: While in prison, MalcolmX became a member of the Nation of Islam, and after his parole in 1952, quickly rose to become one of the organization's most influential leaders, serving as the public face of the controversial group for a dozen years.
Split into simpler sentences: While in prison, MalcolmX became a member of the Nation of Islam, and after his parole in 1952, quickly rose to become one of the organization's most influential leaders. He served as the public face of the controversial group for a dozen years.