William O'Brien (American football)
William Edward O'Brien (March 11, 1923 – December 1, 2000) was an American football coach and official. He was the seventh head football coach at the Southern Illinois University Carbondale, serving for three seasons, from 1952 to 1954, and compiling a record of 6–20. O'Brien was an official in the National Football League (NFL) for 18 seasons, from 1967 through 1983, officiating in Super Bowl X in 1976. He wore number 83 for the major part of his NFL career. He was also a professor at Southern Illinois University.
Tim O'Brien (author)
William Timothy "Tim" O'Brien (born October 1, 1946) is an American novelist. He is best known for his book "The Things They Carried" (1990), a collection of linked semi-autobiographical stories inspired by O'Brien's experiences in the Vietnam War. In 2010, the "New York Times" described O'Brien's book as a Vietnam classic. In addition, he is known for his war novel, "Going After Cacciato" (1978), also about wartime Vietnam, and later novels about postwar lives of veterans.