Walter A. Brown, American businessman, founded the Boston Celtics (died 1964)

Walter Augustine Brown was an American sports executive. He was the founder and original owner of the Boston Celtics, operated the Boston Garden-Arena Corporation, and served as president of the Boston Athletic Association. In ice hockey, he coached the Boston Olympics to five Eastern Hockey League championships, owned the Boston Bruins, and served as president of the International Ice Hockey Federation. He was inducted into the Hockey Hall of Fame in 1962, the Naismith Memorial Basketball Hall of Fame in 1965, and IIHF Hall of Fame in 1997.

The Boston Celtics are an American professional basketball team based in Boston. The Celtics compete in the National Basketball Association (NBA) as a member of the Atlantic Division of the Eastern Conference. Founded in 1946 as one of the league's original eight teams, the Celtics play their home games at TD Garden, a shared arena with the NHL's Boston Bruins. The Celtics are commonly regarded as the most successful team in NBA history. They hold a winning record against every team in the NBA, hold the records for most NBA championships won, with 18, and most recorded wins of any NBA franchise.