Science And Ethics in Sport Symposium [Getty Images]

LONDON, ENGLAND - OCTOBER 03: Andy Parkinson, Chief Executive of UK Anti Doping talks to an audience including Edwin Moses, Colin Jackson, and Daley Thompson in the debating room during a Science and Ethics in Sport Symposium at County Hall on October 3, 2011 in London, England. (Photo by Paul Gilham/Getty Images for Laureus)

Getty Images Sport Paul Gilham