The Quiet Legacy of Mitani Toshuku: A Master of the Unkoku School Mitani Toshuku, born in Yamaguchi, Japan in 1577 and passing away in 1654, occupies a fascinating yet often understated position within the landscape of Edo period Japanese painting. He wasn’t a revolutionary figure shattering conventions, but rather a devoted custodian and subtle extender of a powerful artistic lineage – that of the Unkoku school. To understand Toshuku…