Background
Tannaka Tadao was born on December 27, 1908 in Matsuyama, Ehime, Japan.
忠郎 淡中
Tannaka Tadao was born on December 27, 1908 in Matsuyama, Ehime, Japan.
After receiving a degree, Tannaka was appointed a lecturer in the university in 1934 and was promoted to a full professor in 1945. His early works were related mainly to Galois theory and number theory. Tannaka also was a director of Japan Mathematic Society as well as an editorial staff member.