Kanzō Uchiyama (内山 完造, Uchiyama Kanzō; January 11, 1885 – September 21, 1959), also known with his Chinese name (鄔其山; Wū Qíshān), was the proprietor of the Uchiyama Bookstore, whose frequent visitors were both Chinese and Japanese intellectuals before World War II. Uchiyama was a Christian.
Source: “Kanzō Uchiyama”, English Wikipedia (CC BY-SA 4.0), excerpt