A key figure in the international avant-garde, Piet Mondrian (1872–1944) was at once an extraordinary painter and leading art theoretician whose influence resonates to this day. Coining the term “Neo-plasticism”, he pursued a style of painting composed only of primary colors against a grid of black vertical and horizontal lines and a white base background. Mondrian’s vision was that this essential painting would help to achieve a society in which art as such has no place, but...