| s/n | Name of Speakers | Date Visited |
| 30. | Prof Alexander Goehr University of Cambridge Faculty of Music University Music School, UK |
27 November - 14 December 1990 |
| 29. | Prof Lester C Thurow Dean, Alfred P Sloan School of Management Massachusetts Institute of Technology, USA |
28 October - 3 November 1990 |
| 28. | Prof Philip Leder Department of Genetics Harvard Medical School, USA |
12 - 23 September 1990 |
| 27. | Prof (Sir) Michael F Atiyah Royal Society Research Professor of Mathematics Mathematical Institute Oxford University, UK |
30 November - 14 December 1989 |
| 26. | Prof (Sir) Aaron Klug Director, Medical Research Council Laboratory of Molecular Biology University of Cambridge, UK (Nobel Laureate) |
5 - 20 August 1989 |
| 25. | Baron Frederick Dainton Chancellor Sheffield University, UK |
24 July - 6 August 1989 |
| 24. | Sir Mark Richmond Vice-Chancellor University of Manchester, UK |
11 - 18 January 1989 |
| 23. | Prof Herbert A Simon Professor of Computer Science & Psychology Carnegie Mellon University Pennsylvania, USA (Nobel Laureate) |
8 - 21 January 1989 |
| 22. | Dr David Baltimore Director Whitehead Institute for Biomedical Research Cambridge, USA (Nobel Laureate) |
22 - 29 November 1988 |
| 21. | Prof Eric Albert Ash Rector Imperial College of Science & Technology University of London, UK |
29 October - 12 November 1988 |