Complex sentence: Truman Kella Gibson, Jr. (January 22,1912--December 23,2005) was an American lawyer, government advisor, and later influential boxing promoter who played a unique and unheralded role in the Civil Rights Movement.
Split into simpler sentences: Truman Kella Gibson, Jr. (January 22,1912--December 23,2005) was an American lawyer, government advisor, and later influential boxing promoter. He played a unique and unheralded role in the Civil Rights Movement.