Background
Shimpachiro was born in 1913, in Matsuyama City, Ehime Prefecture, Japan.
Shimpachiro was born in 1913, in Matsuyama City, Ehime Prefecture, Japan.
Following graduation from Tokyo University entered the Institute of Compilation of Historical Materials of the same university in 1937.
After the war served successively as professor of Matsuyama Higher School and instructor of Tokyo Metropolitan University. Presently serves as a member of Democratic Scientists' Society.