| 1999 |
Robert Winston – Engineering reproduction: private issues and public confidence |
| 1998 |
Susan Greenfield – From brain to mind. |
| 1997 |
David Phillips – Ozone: protector or polluter? |
| 1996 |
John Jones – What sex really means. |
| 1995 |
Ian Stewart – Mathematical clues to nature’s secrets. |
| 1994 |
Walter Bodmer – Scientific literacy and the book of man. |
| 1993 |
Ian Fells – Science and the media. |
| 1992 |
Ian Fells – Science and the media. |
| 1991 |
George Porter – Living with the second law. |
| 1990 |
Richard Dawkins – Darwinizing with a vengeance. |
