Wallerant Vaillant: Pioneer of Mezzotint and Portraiture Wallerant Vaillant (30 May 1623 – 28 August 1677) stands as a pivotal figure in the Dutch Golden Age, celebrated not merely for his paintings but primarily for his groundbreaking contribution to printmaking—specifically, the mezzotint technique. Born in Lille, France, he descended from a family of artists deeply rooted in Flemish Baroque traditions, where his father and brothers…