SMITHSON, Robert 1938 - 1973 Creator details Principal country United States Date of birth 1938 Date of death 1973 Swamp 1971 SMITHSON, Robert - Collaborating artist HOLT, Nancy - Collaborating artist Spiral jetty 1970 SMITHSON, Robert - Creator East Coast, West Coast 1969 SMITHSON, Robert - Collaborating artist HOLT, Nancy - Collaborating artist External resources View related library resources Re-use metadata Export creator's object list as JSON