Biography
| 1926 |
Born June 23, Montefeltro, Italy | |
| 1945-50 | Studies at Bologna University in the Faculty of Economy and Commerce. Works at Pesaro's Civil Engineering Department. Developed an interest in set design | |
| 1960 | Member of the Continuity Group for abstract research into substance and symbol | |
| 1963 | Awarded the Sao Paulo Biennale International Prize for Sculpture | |
| 1964 | Awarded the National Prize for Sculpture at the 30th Venice Biennale | |
| 1967 | International Prize for Sculpture at the International Exhibition of Contemporary Painting and Sculpture of the Carnegie Institute, Pittsburgh | |
| 1968 | Teaches at the University of California, Berkeley | |
| 1970 | Touring retrospective in the United States | |
| 1976 | Retrospective at the Musée D'Art Moderne de la Ville de Paris | |
| 1978-82 | Invited by Mills College, Oakland, California, to teach in American universities | |
| 1981 | Henry Moore Grand Prize of the Hakone Open-Air Museum | |
| 1983-84 | Disco Solare, installed in Moscow in 1991 | |
| 1990 |
Awarded the Praemium Imperiale prize for Sculpture, Japan Art Association, Tokyo | |
| 1991 | Sphere within a Sphere, this is installed in United Nations Plaza, New York in 1996 | |
| 1994 | Exhibits at the Hakone Open Air Museum, Japan | |
| 1998 | Commissioned to construct the main door of the Norman Duomo in Cefalu, Sicily |


