Yoshihara had taught Western - style painting before becoming Gutai 's leader .
He was a businessman and scion of a family that owned a cooking - oil company , along with a group of young , Hanshin - region artists .
businessman had taught Western - style painting before becoming Gutai 's leader .
He was a businessman and scion of a family that owned a cooking - oil company , along with a group of young , Hanshin - region artists .