George B . Chadwick George Brewster Chadwick ( June 11 , 1880 – October 17 , 1961 ) was an All - American football player and coach . He played college football for Yale University from 1899 to 1902 and was the head coach of the 1903 Yale football team . After working for a time in the hardware and sales fields , Chadwick had a long career as a teacher of English , history and Latin at Eastern private boys ' schools . Early years . Chadwick was born in Brooklyn , New York , in June 1880 . His father Charles Noyes Chadwick was the president of C . N . Chadwick Co . , manufacturers of children ' s underwaists and boy ' s shirtwaists . His mother was Alice Ann ( Caruth ) Chadwick was born in Northern Ireland . Chadwick attended the Froebel Academy , Brooklyn Latin School and Brooklyn High School . Yale . Student and athlete . Chadwick enrolled at Yale University in 1898 . He played halfback for the Yale Bulldogs football team from 1899 to 1902 . In December 1901 , he was selected by his teammates as the captain of the 1902 Yale football team . He led the 1900 and 1902 Yale teams to undefeated seasons , and he was also selected as a first - team College Football All - American in 1900 and 1902 . He scored all of Yale ' s points in a 12 – 5 victory over Harvard in 1902 on runs of 53 and 55 yards . In his book , " The History of American Football , " Allison Danzig referred to Chadwick as " the phantom line cleaver . " While playing football at Yale , Chadwick was 5 feet 10 inches in height , and weighed 155 pounds . In 1951 , Chadwick recalled the Yale teams on which he played , noting that " our game was not as intricate or deceptive as it is today " but that the old game " had precision . " While attending Yale , Chadwick was also a member of the University Glee Club , Psi Upsilon , and Skull and Bones . Coach . After graduating as part of Yale ' s class of 1903 , Chadwick agreed to return as the school ' s head football coach in the fall of 1903 . Chadwick coached the 1903 Yale football team to an 11 – 1 record , outscoring opponents 312 to 26 . The 1903 team ' s only loss came against Princeton by a score of 11 – 6 . During the period from 1899 to 1912 , Yale had 14 different head football coaches in 14 years – despite compiling a combined record of 127 – 11 – 10 in those years . During that 14 - year span , the Yale football team has also been recognized as the national championship team by one or more of the major national championship selectors on seven occasions – 1900 ( Billingsley , Helms , Houlgate , National Championship Foundation , Parke Davis ) , 1901 ( Parke Davis ) , 1902 ( Parke Davis ) , 1905 ( Parke Davis , Whitney ) , 1906 ( Billingsley , Parke Davis , Whitney ) , 1907 ( Billingsley , Helms , Houlgate , National Championship Foundation , Parke Davis , Whitney ) , and 1909 ( Billingsley , Helms , Houlgate , National Championship Foundation , Parke Davis ) . Later years . At the conclusion of the 1903 football season , Chadwick accepted a position with the Southern Railroad Company , St . Louis and Louisville Division . He held positions with that company in Princeton , Indiana , and East St . Louis , Illinois . In August 1904 , he became employed by the Simmons Hardware Company in St . Louis , Missouri . At the time of the 1910 United States Census , Chadwick was living with his parents in Brooklyn and working as a salesman for a roofing concern . As of 1917 , Chadwick was reported to be employed by The Patterson Manufacturing Company of Toronto , Ontario , Canada . In a draft registration card completed by Chadwick in September 1918 , he indicated that he was living in Manhattan , New York City , and working as a sales manager for Barrett Manufacturing Company , manufacturers of road - building materials . During World War I , Chadwick served in the U . S . Army and achieved the rank of captain . After the war , he worked as the editor of a Red Cross magazine . At some point after 1918 , Chadwick became a school teacher . He taught English , history and Latin at various private boys ' schools . At the time of the 1930 United States Census , Chadwick was living in Ridgefield , Connecticut , working as a teacher in a private school . In a draft registration card completed by Chadwick at the time of World War II , Chadwick indicated that he was residing at the Kent School , a private preparatory school located in Kent , Connecticut . Chadwick died in October 1961 at his home on Ferry Road in Old Lyme , Connecticut , at age 81 .