http://www.bbc.co.uk/programmes/b00st15p100 years on, Gary Younge explores what the archives tell us about four boxers who span the century - Jack Johnson, Joe Louis, Muhammad Ali and Mike Tyson. How have they shaped, and been shaped by, our attitudes to black masculinity?
100 Years after Jack Johnson: Boxing and Black male identity
100 Years after Jack Johnson: Boxing and Black male identity
On BBC radio 4 on Saturday June 26th at 8pm (repeated Monday 28th at 3pm)