Question: The 1920 NCAA football season had no clear-cut champion, with the "Official NCAA Division I Football Records Book" listing California, Georgia, Harvard, Notre Dame, and Princeton as national champions, Notre Dame was led by its first Walter Camp All-American, nicknamed "The Gipper", who died before the year was over, his name?

Context paragraphs:
1919 college football season: The 1919 NCAA football season had no clear-cut champion, with the "Official NCAA Division I Football Records Book" listing Centre, Harvard, Illinois, Notre Dame, and Texas A&M as having been deemed national champions by major selectors Only Harvard, Illinois, and Texas A&M claim national championships for the 1919 season.  Texas A&M began claiming the 1919 national championship in 2012.

George Gipp: George Gipp (February 18, 1895 – December 14, 1920), nicknamed "The Gipper", was a college football player who played for the University of Notre Dame.  Gipp was selected as Notre Dame's first Walter Camp All-American. Gipp played several positions, particularly halfback, quarterback, and punter.

1913 college football season: The 1913 NCAA football season had no clear-cut champion, with the "Official NCAA Division I Football Records Book" listing Auburn, Chicago, and Harvard as having been selected national champions.  All three teams finished with undefeated records.  Chicago and Harvard officially claim national championships for the 1913 season.

1887 college football season: The 1887 college football season had no clear-cut champion, with the "Official NCAA Division I Football Records Book" listing Yale as having been selected national champions.  In the West, the 1887 Michigan Wolverines football team compiled a 5–0 record, including three wins over Notre Dame (who was playing its first game ever and didn't have a varsity team yet ), and outscored its opponents by a combined score of 102 to 10 On November 13, college football was first played in the state of Virginia when the Virginia Cavaliers and Pantops Academy fought to a scoreless tie.

1910 college football season: The 1910 NCAA football season had no clear-cut champion, with the "Official NCAA Division I Football Records Book" listing Harvard and Pittsburgh as having been selected national champions.  Only Harvard claims a national championship for the 1910 season.

1922 college football season: The 1922 NCAA football season had a number of unbeaten and untied teams, and no clear-cut champion, with the "Official NCAA Division I Football Records Book" listing California, Cornell, Iowa, Princeton, and Vanderbilt as national champions.  California, Cornell, and Princeton were all picked by multiple selectors.

1929 college football season: The 1929 NCAA football season saw a number of unbeaten and untied teams.  Purdue, Tulane, Notre Dame and Pittsburgh all finished the regular season with wins over all their opponents.  Notre Dame was recognized as national champion under the Dickinson System and by a United Press writer while Pitt was considered a national champion by several others due to Pitt possessing a greater scoring differential over the two teams' only common regular season opponent.  Following the season, Pitt traveled to Pasadena to meet USC in the Rose Bowl, at that time the only postseason college football game and held between the perceived best teams of east and west.  Despite Pitt's losing 47–14 to the Trojans, as bowls were still considered exhibitions by many, college football historian Parke H. Davis, whose national championship selections are recognized by the official NCAA records book, named the Panthers as that season's national champion while several other retroactive selectors recognized by the NCAA records book have selected Notre Dame.  Both Notre Dame and Pitt claim a national championship for the 1929 season and both are recognized in the NCAA Records Book and by College Football Data Warehouse.

1896 college football season: The 1896 college football season had no clear-cut champion, with the "Official NCAA Division I Football Records Book" listing Lafayette and Princeton as having been selected national champions.  Lafayette finished with an 11-0-1 record while Princeton had a 10-0-1 record.  In the second game of the season for both teams, Lafayette and Princeton played to a scoreless tie.  Both teams had signature wins: Lafayette defeated Penn 6-4, giving the Quakers their only loss of the season, while Princeton defeated previously unbeaten Yale, 24-6, on Thanksgiving Day in the last game of the season.  Princeton was retroactively named the 1896 national champions by the Billingsley Report, the Helms Athletic Foundation, the Houlgate System, and Lafayette and Princeton were named national co-champions by the National Championship Foundation and Parke Davis.

1920 college football season: The 1920 NCAA football season had no clear-cut champion, with the "Official NCAA Division I Football Records Book" listing California, Georgia, Harvard, Notre Dame, and Princeton as national champions.  Only California and Princeton claim national championships for the 1920 season.  Andy Smith's Pacific Coast Conference champion California "Wonder Team" was the first national champion from the Pacific Coast.  Princeton and Harvard were undefeated and with one tie to each other.  Notre Dame was led by its first Walter Camp All-American, George Gipp, who died before the year was over.

1921 college football season: The 1921 NCAA football season had no clear-cut champion, with the "Official NCAA Division I Football Records Book" listing California Golden Bears, Cornell Big Red, Iowa Hawkeyes, Lafayette Leopards, Washington & Jefferson Presidents, and Vanderbilt Commodores as champions.  Only California, Cornell, and Lafayette claim national championships for the 1921 season.

Supporting paragraphs: 1920 college football season George Gipp
Answer: George Gipp