If you were told a man called Nat Buck was taking over an English football club, you might think he sounds like a Hollywood actor or NFL star who is lending his name to some private equity investment as is the fashion at the moment. But Nat Buck belonged to another age. Nat Buck was the chairman of Preston North End after World War II. He was a local housebuilder who became chairman of the club. He was no different to many local merchants who occupied that position at football clubs in the northern English towns where the Football League…