All winners since 1971
| Year | Winner | Field |
| 1971 | J.F. Bol | Chemistry |
| R.A. Schilperoord | Chemistry | |
| L. van Vloten-Doting | Biology | |
| 1972 | LUMC* | |
| 1973 | F. Baars | Physics |
|
1974 |
LUMC* | |
| 1975 | C.A. van 't Hof | Physics |
| F.C. Mijlhoff | Chemistry | |
| 1976 | B. van Leer | Chemistry |
| 1977 | J.M. Mato de la PAz | Biology |
| 1978 | M. Giphart-Gassler | Chemistry |
| 1979 | G.J. Heckman | Mathematics |
| P.J.J. Hooykaas | Chemistry | |
| 1980 | N. van Dijk | Physics |
| M. Danhof | Drug Research | |
| I. de Pater | Astronomy | |
| 1981 | R.A. Kastelein | Chemistry |
| E. Mazur | Physics | |
| J.A.J. Metz | Biology | |
| 1982 | M. Bertsch | Mathematics |
| J.H. Evertse | Mathematics | |
| P.J.M. Haastert | Biology | |
| 1983 | E. Otten | Biology |
| W.A.J.A. van der Poel | Physics | |
| D.J. Singel | Physics | |
| P.H. Schippers | Chemistry | |
| 1984 | C.W.J. Beenakker | Physics |
| T. Odijk | Chemistry | |
| K. Rietveld | Chemistry | |
| 1985 | J.A. Pardoen | Chemistry |
| R.J.W. de Wit | Biology | |
| 1986 | J.E.M. Haverkort | Physics |
| E.M. Opdam | Mathematics | |
| P. Schaap | Biology | |
| A.W. van der Vaart | Mathematics | |
| H.C.C. Werij | Physics | |
| 1987 | S.B. Angenent | Mathematics |
| H.J.M. de Groot | Chemistry | |
| 1988 | M. Franx | Astronomy |
| W.T. Giele | Physics | |
| H.P. Spaink | Biology | |
| S.M. Verduyn Lunel | Mathematics | |
| 1989 | J.F.B.M. Kraaijevanger | Mathematics |
| F.M. Spieksma | Mathematics | |
| A.M. de Roos | Biology | |
| A. van Waarde | Biology | |
| 1990 | E.M.M. van den Berg | Chemistry |
| B.W. Hoeksema | Biology | |
| R.J.C. Spreeuw | Physics | |
| 1991 | H.T. Koelink | Mathematics |
| J.W. Mandema | Drug Research | |
| A.M.P. Ros | Chemistry | |
| 1992 | C.M. Lehr | Drug Research |
| J.M.A.M. Neerven | Biology | |
| D. Reefman | Physics | |
| 1993 | K.J. in 't Hout | Mathematics |
| J.H.H. Kohler | Physics | |
| R.P. van der Marel | Astronomy | |
| 1994 | M.F.H. Tol | Chemistry |
| R.A.C.A.M. Vorst | Mathematics | |
| 1995 | A.J.C. Bik | Mathematics |
| M.C. Spaans | Astronomy | |
| B. van de Water | Drug Research | |
| 1996 | M. Marchevsky | Physics |
| R.C.L. Olsthoorn | Chemistry | |
| P.C.N. Rensen | Drug Research | |
| 1997 | P.W. Brouwer | Physics |
| M.A. van Eikelenborg | Physics | |
| 1998 | E. Amerik | Mathematics |
| M.R. Hogerheijde | Astronomy | |
| P.J. Nieuwenhuizen | Chemistry | |
| 1999 | A.C.J. Brouwer | Physics |
| N. Bruin | Mathematics | |
| F.L.M. Menke | Biology | |
| 2000 | G.J.B. van den Berg | Mathematics |
| B. Gravendeel | Biology | |
| A. Helmi | Astronomy | |
| A.I. Yanson | Physics | |
| 2001 | P. Beldade | Biology |
| A.M. van Oijen | Physics | |
| H. Ovaa | Chemistry | |
| 2002 | S. Barends | Chemistry |
| R.H.S. Smit | Physics | |
| H.P. Zuideveld | Drug Research | |
| 2003 | B.L.M. Hendriksen | Physics |
| 2004 | R. Offringa | Biology |
| 2005 | E. Backus | Chemistry |
| 2006 | J. Batenburg | Mathematics |
| 2007 | M. Kriek | Astronomy |
| 2008 | K. Ye | Drug Research |
| 2009 | K. Oberg | Astronomy |
| 2010 | Z. Zeravcic | Physics |
| 2011 | A. Akhmerov | Physics |
| 2012 | W. Halfwerk | Biology |
| 2013 | W. Duivesteijn | Computer Science |
| 2014 | M. Brogi | Astronomy |
| 2015 | N. van der Marel | Astronomy |
| K. van der Maaden | Drug Research | |
| 2016 | C. Wu | Biology |
| 2017 | S. van der Pas | Mathematics |
| 2018 | J. Matthee |
Astronomy |
| 2019 | R. Bastiaansen | Mathematics |
*In the early years, the C.J. Kok Jury Award was awarded alternately to researchers from the Leiden University Medical Center and the Faculty of Science.