The Hand and the Surface Ab Jongmans lived a life shaped by the quiet precision of the draftsman and the tactile nature of the painter. Born in Alkmaar in 1934, his hands learned the language of line and pigment through a variety of mediums. He worked with pencil, ink, and chalk, often moving between the delicate touch of a sketch and the weight of oil paint. There is a certain directness in how he approached his materials, whether he…