Kohsaburo Iesaka (家坂 幸三郎, Iesaka Kōsaburō; 1878 – 1952) was a Japanese Christian physician who headed the Miyako Nanseien Sanatorium (1933–1938) and Okinawa Airakuen Sanatorium (1947–1951). The church he created, "Yomigaerino Kai", still remains in the Miyako Nanseien Sanatorium, as well as a church of Nippon Sei Ko Kai and a catholic church.
Source: “Kohsaburo Iesaka”, English Wikipedia (CC BY-SA 4.0), excerpt
