Born into a hardware merchant's family in Wakayama.
He entered the university preparatory school in Tokyo, in the same year as Natsume Sōseki and Masaoka Shiki.
He left school for America, collecting plants and other specimens.
He went to Britain and continued his research at the British Museum.
His paper on East Asian constellations appeared in the science journal Nature, the first of many.
He returned to Japan and later settled in Tanabe, Wakayama, devoting himself to slime moulds and more.
He opposed the government policy of merging shrines and felling their woods, campaigning to protect nature.
He explained slime moulds to Emperor Shōwa and presented him with specimens.
He died in Tanabe.
Katō TakaakiKatō TomosaburōMakino TomitarōNagaoka HantarōNishida KitarōHonda KōtarōShimamura HōgetsuSakai Toshihiko
People of the Taishō period ・ People by period
Based on facts found in textbooks and biographies. Uncertain points are marked as such.