Background
Masamitsu Oshima was born in 1884 in Hokkaido, Japan.
Masamitsu Oshima was born in 1884 in Hokkaido, Japan.
He graduated from the Zoology Section, Tokyo University in 1908. He went abroad to America and graduated from Stanford University in 1917.
He was appointed a technician attached to the Central Research Institute, Formosa Government-General. He received his doctorate in 1919. He was appointed professor at Tokyo Higher School in 1929.