The Geometry of Danish Abstraction Mogens Lohmann was a Danish painter who operated within the rigorous constraints of concrete art. Born in Copenhagen in 1918, his work avoided the messy sentimentality often found in mid-century abstraction. Instead, he focused on the structural logic of the canvas. His output was defined by a commitment to composition and the physical reality of the medium. By the time he died in 1985, he had establ…