Conceptual and minimalist artist famous for his paintings, lithographs, wall drawings, and sculptures, which he called structures. He was also proficient in drawing, printmaking, photography, and painting.
He attended Syracuse University, from which he graduated with a BFA in 1949. He later served in the Korean War, being stationed in California, Japan, and Korea.
His structures included "Black Form Dedicated to the Missing Jews" and was erected in 1987 at the Altona City Hall in Hamburg, Germany.
He was born into a Russian-Jewish immigrant family and was raised in Hartford, Connecticut. He started art classes when his mother enrolled him in Hartford's Wadsworth Atheneum.
He was a contemporary of Jasper Johns.