Isshi real name: Fumimori Iwakura, Nickname: Isshi, Pseudonym: Toko
Japanese, 17th century, male.
Born 1608; died 1646.
Isshi was a Zen monk who studied the Zen doctrine with Takuan. He painted portraits, and was also responsible for the restoration of the Yamagani temple at Omi (modern Shiga Prefecture).