Judo in the United States however, the lecture had little effect on mainstream judo growth. The first American to actually study judo was Prof. Ladd from Yale University, in 1889. He trained at the Kodokan in Japan for about ten years; by 1908 about 13 Americans were training there. In 1919, Prof. John Dewey of Columbia University came to visit Prof. Ladd and Master Kano, many years later he took his knowledge back to Columbia and began the first U.S. college judo program. While some students were training in Japan there was some action in the U.S. Perhaps one of the most important figures in
Judo in Canada Judo Championships. Canada's greatest success in international competition, however, has been at the Pan American Games, with a total of 76 medals ranging from gold to bronze awarded since 1967 (see '' for lists of the results). Judo is also practised by visually impaired athletes, and became a Paralympic sport in 1988 for men and 2004 for women. While often referred to as 'blind judo', it includes athletes with three different levels of visual impairment, all of whom may compete against one another so long as they are in the same weight category. The only differences between Olympic and Paralympic