Robert Bruce St. Clair was an American professional football player who played 11 seasons as a tackle for the San Francisco 49ers of the National Football League (NFL). Known for his intelligence and towering size, at 6 ft 9 in (2.06 m) tall, St. Clair earned All-Pro honors nine times and is enshrined in the Pro Football Hall of Fame. He played college football for the San Francisco Dons and the Tulsa Golden Hurricane.

San Francisco Polytechnic High School was a public secondary school in San Francisco, California. Located from 1912 at 701 Frederick Street, across from Kezar Stadium, the school was in operation from 1884 until 1973.