Kensuke Mitsuda
Fumio Hayashi (1900–1947) was a Japanese physician and leprologist. He worked in Tama Zenshoen Sanatorium, Nagashima Aiseien Sanatorium, Hoshizuka Keiaien Sanatorium and Ooshima Seishoen Sanatorium. He helped with Kensuke Mitsuda, and completed the first lepromin test or Mitsuda skin test.