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Yoshizo Koyanagi

Born  1880
Died  1954

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Japanese ophthalmologist, 1880-1954.

Biography of Yoshizo Koyanagi

Yoshizo Koyanagi received his medical education at the Imperial University in Kyoto. He graduated in 1908 and studied ophthalmology under professor Ikujiro Asayama (1861-1915). He first worked as an assistant et the eye clinic, and in 1911 became associate professor at his alma mater. In 1912 he became ophthalmologist at the Red Cross hospital in Osaka, in 1913 professor extraordinary in Kyoto, and in 1915 became Igaku Hakushi.

During 1917-1918 Koyanagi studied in Europe. On his homecoming he was appointed the first Professor of Ophthalmology and the Department Chairman at Tohoku University in Sendai. He served in this position for 25 years and retired in 1942. In recognition of his outstanding contribution, the Government conferred on him the posthumous Decoration of the Second Order of the Sacred Treasure.

His numerous publications include an important textbook of ophthalmology, written with Kiyoshi Ishikawa (1878-1918 and Sadao Suganuma (1879-1946).

We thank Patrick Jucker-Kupper, Switzerland, for information submitted.


  • Saiichi Mishima:
    Koyanagi, Yosizo. In: Jean-Paul Wayenborgh, editor (with the coopoeration of Saiichi Mishima and C. Richard Keeler): IBBO. International Biography and Bibliography of Ophthalmologists and Vision Scientists. Volume 1, Oostende, Belgium, 2001. (Hirschberg History of ophtalmology. The monographs; volume 7), page 470.

  • Isidor Fischer, publisher:
    Biographisches Lexikon der hervorragenden Ärzte der letzten fünfzig Jahre.
    Berlin – Wien, Urban & Schwarzenberg, 1932. Page 810.

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