Paavo Nurmi (spelled as 'Pavo' in the question, though the correct spelling is 'Paavo') was the legendary Finnish distance runner who dominated track and field in the 1920s. He won 9 Olympic gold medals and earned the nickname 'Flying Finn' for his extraordinary speed and endurance. Karl Lewis is American, Al Oerter is an American discus thrower, and Ben Johnson is a Canadian sprinter.