Sculptor whose bronze hare statues, "Large Left-Handed Drummer" and "Large Mirror Nijinski," were erected in New York's Union Square and in Cologne's Skulpturen Park Köln.
His early works were fashioned out of materials such as sand and burlap.
His beloved statue, "Thinker on a Rock," became a well-known landmark at Washington University in St. Louis.
He was married to Sue Lewis, with whom he had two daughters.
His 1997 work, "Thinker on a Rock," was a playful take on Auguste Rodin's famous sculpture.