The booming decade following World War II saw many advances in sports and the continued integration of people of other races into major sports leagues. A lanky Oxford University medical student broke the four-minute-mile record, the first African American won a U.S. Open singles title, and the color barrier broke in the National Basketball Association. 1950–1959, Second Edition explores this decade of sports, presenting full-color and black-and-white photographs and further resources for interested readers. Highlights include: African-American players Nat "Sweetwater" Clifton, Chuck Cooper, and Earl "Big Cat" Lloyd break the color barrier in the National Basketball Association in 1950 Bobby Thomson hits "the shot heard round the world" to win the 1951 National League pennant for the New York Giants In 1954 Roger Bannister, a medical student at Oxford University, becomes the first man to run a mile in less than four minutes Boxer Rocky Marciano defeats challenger Archie Moore in 1955 to end his career as the undefeated heavyweight champion Althea Gibson becomes the first African American to win the U.S. Open singles title in 1957 Alan Ameche and Johnny Unitas lead the Baltimore Colts to the 1958 NFL championship in "the Greatest Game Ever Played."