Tsuruichi Hayashi (林 鶴一, Hayashi Tsuruichi; June 13, 1873 – October 4, 1935) was a Japanese mathematician and historian of Japanese mathematics. He was born in Tokushima, Japan. He was the founder of the Tohoku Mathematical Journal.
Source: “Tsuruichi Hayashi”, English Wikipedia (CC BY-SA 4.0), excerpt