It became known through its association with mountaineer Buntarō Katō (加藤 文太郎, Katō Buntarō), who was a model for the novel Kokō no Hito (孤高の人), by Jirō...

Kovalenko made friends with Japanese of Akira Kato（加藤 昭）, Yohei Sasakawa and Buntaro Kuroi（黒井 文太郎）, etc. in Japan, and has left the report about Ryuzo...