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Year

Prizewinners

1991 Richard R. Ernst (Switzerland)
1992 Rudolph A. Marcus (USA/Canada)
1993 Kary B. Mullis - Michael Smith (USA - Canada)
1994 George A. Olah (USA/Hungary)
1995 Mario J. Molina - Frank Sherwood Rowland - Paul J. Crutzen (Mexico - USA - Netherlands)
1996 Robert F. Curl - Harold Kroto - Richard E. Smalley (USA - United Kingdom - USA)
1997 Paul D. Boyer - John E. Walker - Jens C. Skou (USA - United Kingdom -Denmark)
1998 Walter Kohn - John A. Pople (USA - United Kingdom)
1999 Ahmed H. Zewail (Egypt/USA)
2000 Alan J. Heeger - Alan G. MacDiarmid - Hideki Shirakawa (USA -USA/New Zealand - Japan)