Kanō Jigorō

Kanō Jigorō was born 10 December 1860 and trained as an educator before synthesizing judo from classical jujutsu schools in the late 19th century. He coined "maximum efficiency minimal effort" and "mutual welfare and benefit" as guiding principles, then invented the black-and-white belt system and dan rankings that became standard across martial arts. From 1898 to 1901 he directed primary education for Japan's Ministry of Education, then led Tokyo Higher Normal School from 1900 to 1920, using both posts to weave judo and kendo into the national curriculum. In 1909 he became the first Asian on the International Olympic Committee and spent three decades representing Japan at Games, ultimately lobbying for Tokyo to host in 1940. He promoted swimming, athletics, weightlifting, and helped systematize karate in Japan; some credit him as the father of modern Japanese strength training. He died 4 May 1938 with the First Order of Merit and the Grand Order of the Rising Sun, thirty-six years before the Olympics made men's judo official and sixty years before the sport inducted him as the inaugural member of its Hall of Fame.