Background
Tokujiro Yoshida was born in 1888 in Tokyo, Japan.
徳次郎 吉田
Tokujiro Yoshida was born in 1888 in Tokyo, Japan.
Tokujiro Yoshida graduated from Tokyo University in 1912.
Tokujiro Yoshida was appointed professor at Tokyo University in 1938. Meantime studied concrete and steel building processes for 40 years. He helped in digging the Kamman (Shimonoseki-Moji) Tunnel and constructing the ogochi Dam , the source of water supply for Tokyo. Tokujiro Yoshida was technical adviser to Tokyo Municipality, member of academy and emeritus professor at Kyushu University.