Complex sentence: John Phillip Bengtson (July 17,1913--December 18,1994) was a college football player and longtime assistant coach on the collegiate and NFL levels, chiefly remembered as the successor to Vince Lombardi as head coach of the Green Bay Packers in 1968.
Split into simpler sentences: John Phillip Bengtson (July 17,1913--December 18,1994) was an American football player and coach. He was a longtime assistant coach on in college football and the National Football League (NFL), chiefly remembered as the successor to Vince Lombardi as head coach of the Green Bay Packers in 1968.