Okakura Kakuzō (Okakura Tenshin; 1862~1913) Okakura Kakuzō (岡倉覚三, February 14, 1862 – September 2, 1913; also known as 岡倉 天心 Okakura Tenshin) was a Japanese scholar who contributed to the development of arts in Japan. Outside Japan, he is chiefly remembered today as the author of The Book of Tea. Born in Yokohama to parents originally from Fukui, he attended Tokyo Imperial..