kōshirō onchi: The Father of Sōsaku-hanga and the Pioneer of Abstract Printmaking kōshirō onchi (1891–1955) stands as a monumental figure in twentieth-century Japanese art, recognized universally as the progenitor of *sōsaku hanga*, or creative printmaking. More than just an artist; he was a visionary who fundamentally reshaped artistic expression and championed a radical departure from traditional printmaking conventions—a movement t…