Who co-authored a 2003 biography of Muhammad Ali along with Don Atyeo, in which chapter on Ali's fight with a two-time world heavyweight champion and an Olympic gold medalist has been described as "an absolute classic"?
Felix Dennis
Title: George Foreman
Passage: George Edward Foreman (born January 10, 1949) is an American former professional boxer who competed from 1969 to 1977, and from 1987 to 1997.  Nicknamed "Big George", he is a two-time world heavyweight champion and an Olympic gold medalist.  Outside the sport he is an ordained minister, author, and entrepreneur.
Title: Muhammad Ali: The Glory Years
Passage: Muhammad Ali: The Glory Years is a 2003 biography of Muhammad Ali co-authored by Felix Dennis and Don Atyeo.  The book is described as a photo-rich biography focussing on Ali's boxing fights starting from the age of 12 to his retirement.  The book is based upon the authors's interviews with Ali, and also interviews with Ali's friends, family, opponents, and trainers.  The book's coverage of Ali's boxing matches has been praised while the chapter on Ali's fight with George Foreman has been described as "an absolute classic."  According to a review in "Mint", the book features "[s]ports writing at its best."
Title: The Rumble in the Jungle
Passage: The Rumble in the Jungle was a historic boxing event in Kinshasa, Zaire (now Democratic Republic of the Congo) on October 30, 1974 (at 4:00 am).  Held at the 20th of May Stadium (now the Stade Tata Raphaël), it pitted the undefeated world heavyweight champion George Foreman against challenger Muhammad Ali, a former heavyweight champion; the attendance was 60,000.  Ali won by knockout, putting Foreman down just before the end of the eighth round.  It has been called "arguably the greatest sporting event of the 20th century".  The event was one of Don King's first ventures as a professional boxing promoter.
Muhammad Ali: The Glory Years George Foreman