Ryūichi Yokoyama
Japanese mangaka and animation director (1909–2001) / From Wikipedia, the free encyclopedia
Ryūichi Yokoyama (Yokoyama Ryūichi (横山 隆一); May 17, 1909 — November 8, 2001) was a Japanese mangaka and animation director. He has created very successful yonkoma comic strips since the 1930s.