Curator of Oriental art at the Boston Museum of Fine Art, 1890-96. Fenollosa was the son of Manuel Francisco Ciriaco Fenollosa and Mary Silsbee (Fenollosa).
Museum curator and historian of Japanese painting. After graduating from Tokyo Imperial University in 1880, Okakura became a member of the Ministry of Education.
Director of the Institute for Art Research in Tokyo; Botticelli scholar. His archives are housed at the Museum of Modern Art, Hayama and Kamakura.