Jacob Toorenvliet: A Master of Leiden’s Fijnschilderij Tradition Jacob Toorenvliet (1640-1719) stands as a pivotal figure in the Leiden School of Fine Painting, representing one of the last vestiges of Gerrit Dou's influential artistic vision. Born in Leiden, Netherlands, he descended from Abraham Toorenvliet, a respected glass painter and drawing instructor—a lineage that instilled within him an appreciation for meticulous observatio…