 I'm Peter McArthur, WDEL News. Pat Williams, former general manager of the Philadelphia 76ers, who was raised in Wilmington and attended Tower Hill School, has died. He spent two years playing minor league baseball in the Phillies organization before moving into management. He moved to the NBA in 1968, eventually becoming GM of the Sixers in 1974. Architect of the 1983 championship roster, which included Dr. J. Moses Malone and draft picks Maurice Cheeks and Andrew Toney.