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| Photo: U. Montan | Photo: U. Montan | Photo: U. Montan |
| USA | United Kingdom | USA |
| University of Utah Salt Lake City, UT, USA; Howard Hughes Medical Institute |
Cardiff University Cardiff, United Kingdom |
University of North Carolina at Chapel Hill Chapel Hill, NC, USA |
| b. 1937 (in Italy) |
b. 1941 | b. 1925 (in United Kingdom) |