A Life in Paint The brush moves across the canvas in the quiet spaces of the mid-twentieth century. Born in the Kingdom of the Netherlands in 1910, Harry Koolen lived through a period of profound transformation in European history. His existence as a painter was defined by a steady, focused application of pigment, a commitment to the craft that persisted until his death in Maastricht in 1990. His work does not shout; it observes. There…