Portrait of a Man, 1645, Oil on canvas, 31 1/4 x 25 1/4 in. (79. 4 x 64. 1 cm), Paintings, Johannes Verspronck (Dutch, Haarlem, born ca. 1601?3, died 1662 Haarlem), After Frans Hals, Verspronck was the most accomplished portraitist in Haarlem from the 1630s until his death. He invariably drew a preliminary sketch of the sitter's head and collar on the primed support, and then carefully followed his underdrawing when applying layers of paint