Roger Federer
Calibrated as a tennis player (public) and overall (paid-subscriber access)
Sports / Fitness
Reinhold Messner
"He made the first solo ascent of Mount Everest and, along with Peter Habeler, the first ascent of Everest without supplemental oxygen. He was the first climber to ascend all fourteen peaks over 8,000 metres above sea level." --Wikipedia
card counting
Strategy to beat the house at blackjack.
rollercoasters
The reality of riding them.
Jeet Kune Do
A martial arts philosophy from Bruce Lee.
Michael Phelps
Olympic swim champion
Kobe Bryant
b. 1978. d. 2020. One of basketball's most exciting players, won 5 NBA championships. Personal LoC and social impact.