Peterson, here with bassist Nils Henning Orsted-Pedersen in 2000 at a festival in Switzerland, continued to perform late in life despite worsening arthritis and difficulties walking. (Juerg Mueller / AFP/Getty Images)
Peterson was first living person other than a reigning monarch to be honored with a commemorative stamp in Canada. He is jazz royalty in his homeland; streets, squares, concert halls and schools are named after him. (Martial Trezzini / Associated Press)