23rd June 1975: Bookmaker Michael Cooper and his assistant Carol Delaney chalk up the odds for the winner of the men's Wimbledon Tennis Championships, at the William Hill betting shop. (Photo by Robin Jones/Evening Standard/Getty Images)
23rd June 1975: Bookmaker Michael Cooper and his assistant Carol Delaney chalk up the odds for the winner of the men's Wimbledon Tennis Championships, at the William Hill betting shop. (Photo by Robin Jones/Evening Standard/Getty Images)