Background
SADANAGA, Ryoichi was born on June 25, 1920 in Osaka.
mineralogist and crystallographer
SADANAGA, Ryoichi was born on June 25, 1920 in Osaka.
University of Tokyo.
Professor, of Mineralogy, University of Tokyo 1959-1981, Professor Emeritus since 1981.
Japan Academy since 1981.
Married Sakiko Iwata in 1945.