光田健輔
Kensuke Mitsuda (1876–1964) The most influential leader both in the administration of leprosy policy and the academic circle. He stated that all leprosy patients be hospitalized before the Upper House in 1951, and led to the 1953 leprosy prevention law. As a scholar, he found a lepromin reaction called Mitsuda reaction or Mitsuda test. This is very important in the classification of leprosy.