TABUCHI Yukio

From PHOTOGUIDE.JP

TABUCHI Yukio 田淵 行男 (1905.6.4-1989.5.30) Hino-cho, Tottori Pref. Noted alpine photographer.

Started researching butterfies in Nagano's Hodaka mountains from 1945.

Became an honorary citizen of Toyoshina-cho. The Tabuchi Yukio Memorial Hall was built in Toyoshina-cho in 1990.

Sample photos https://fujifilmsquare.jp/profile/yukio_tabuchi.html