The 1913 Notre Dame team, with Captain Knute Rockne holding the football.

Knute Rockne, as a starting end for Notre Dame in 1913.

A middle-aged-looking Knute Rockne as the 25-year-old captain of the undefeated Notre Dame 1913 football team.

The undefeated 1919 Notre Dame team. George Gipp is third from left, top row.

George Gipp, who did it all—run, pass, punt, and dropkick field goals and extra points.

George Gipp attempting a punt.

George Gipp carrying the ball during a game in 1919.

Gipp kneeling on the sidelines during a game in 1919.

George Gipp before a practice in 1919.

Outfielder George Gipp, top row right, with the 1920 Notre Dame Varsity baseball team.

Hunk Anderson, George Gipp’s high school friend whom he convinced Rockne to give a scholarship to and who wound up as a star lineman at Notre Dame and with the Chicago Bears and head coach of both teams. Anderson, who succeeded Rockne as coach, is a member of the College Football Hall of Fame.

Knute Rockne before a practice session in the early 1920s.

Knute Rockne with his staff in the late 1920s. Former Notre Dame lineman and Rockne’s eventual successor, Hunk Anderson, is on Rockne’s right.

Knute Rockne admonishing his players during a practice session in 1921.

Knute Rockne before leaving on a trip with his Notre Dame team in 1920.

Knute Rockne delivering one of his patented pep talks before a Notre Dame game.

Rockne with a special visitor to Notre Dame practice, the great Babe Ruth of the New York Yankees.

Fullback Elmer Oliphant played four years each of varsity football at both Purdue and Army, winning All American honors in basketball at both schools and named an All American in football at Army. Oliphant also starred in baseball, track, and swimming at the two schools.

Halfback Chris Cagle played three years of football at Southwestern Louisiana and four years at Army, where he was an All American.

Halfback Harry “Lighthorse” Wilson played three years of football at Penn State and then four years at Army where he earned All American honors.

Elmer Layden, the 160-pound fullback for the fabled “Four Horsemen” who later became head coach at Notre Dame, attempts a punt.

The Notre Dame backfield immortalized by famed sportswriter Grantland Rice as “the Four Horsemen.”

Rockne regarded Frank Carideo, Notre Dame’s starting quarterback in 1929 and 1930, as the best quarterback he ever had.

Fullback Joe Savoldi in 1930.