Hakaru Miyagawa (宮川 量, Miyagawa Hakaru; January 26, 1905 – September 3, 1949) worked at Tama Zenshoen Sanatorium, Nagashima Aiseien Sanatorium, Okinawa Airakuen Sanatorium, Hoshizuka Keiaien Sanatorium and studied the history of leprosy.
Source: “Hakaru Miyagawa”, English Wikipedia (CC BY-SA 4.0), excerpt
