Robert Morris was a preeminent American Conceptual artist regarded as one of the early proponents of Minimalism. In one of his best-known series, Morris hung sculpted pieces of dense felt on the wall, the resulting drooping shape, acted as a challenge to painting while offering a new format for sculpture. “There's information and there's the object; there's the sensing of it; there's the thinking that connects to process,” he once explained. “It's on different levels. And I like using those different levels.” Born on February 9, 1931 in Kansas City, MO, he studied sculpture at Hunter College in New York and graduated in 1963. One of his works from this era, Steam (1967), consisted of a cloud of steam continuously rising...