Sumiyuki Kotani
(1903-?)
Kotani received the rank of 10th Dan in April 1984. He was one of Jigoro Kano's direct students, and only the 7th man to receive a 10th Degree Black Belt while he was still alive. He was very active in promoting Judo all around the world. He was the Kodokan's top ranked official and Vice President of the All Japan Judo Federation.
