Henry Cooper is probably the best known British boxer.

There used to be a famous British boxer, Henry Cooper, his left hand was "Henry's Hammer" as many opponents including Muhammed Ali found to their cost.

No, Tommy Cooper is not related. Henry has two brothers - older brother Bernard and a younger twin (by 20 minutes) George, who was also a professional boxer and fought under the name of 'Jim' Cooper. George Cooper sadly passed away recently, on 11 April 2010.

Sonny Banks in 1962. then Henry Cooper the following year. then Joe Frazier and Chuck Wepner in the '70s.

sonny banks Henry cooper, joe frazier & chuck wepner.

http://www.boxrec.com/list_bouts.php?human_id=180&cat=boxer