T. R. Ōtsuka 大塚 太郎 (Ōtsuka Tarō) (1868 – c. 1940s?) was a Japanese garden builder. After emigrating from Japan to the United States in 1897 and moving to Chicago around 1905, he built dozens of Japanese-style gardens and rock gardens, mostly in the Midwest, between 1905 and the mid-1930s. His most notable projects were the Japanese-style garden of George and Nelle Fabyan in Geneva, Illinois (c. 1910); the Japanese Garden at Stan Hywet in Akron, Ohio (1916); the garden of Milton Tootle, Jr. in Mackinac Island, Michigan (before 1910); and the official Japanese pavilion garden at the 1933–1934 Century of Progress Exposition in Chicago, Illinois.
Source: “T. R. Otsuka”, English Wikipedia (CC BY-SA 4.0), excerpt