Walter Joseph De Maria: Architect of Space and Meaning Walter Joseph De Maria (October 1, 1935 – July 25, 2013) was an American artist, sculptor, illustrator, and composer whose career spanned six decades and profoundly impacted the landscape of contemporary art. Born in Albany, California, he moved to New York City in 1960, a pivotal moment that propelled him into the heart of the burgeoning Minimalist and Land Art movements. De Mari…