Complex sentence: William Blackwell Branch is an African-American playwright who has also been involved in many aspects of entertainment, including journalism, media production, editing, a short-lived career acting for television as well as talking on the radio.
Split into simpler sentences: William Blackwell Branch is an African-American playwright who is involved in many other aspects of entertainment. In addition, Branch even took a short-lived career in acting for television as well as talking on the radio.