1 March 1999:  Professor Liesbeth Botha, Dept of Electrical and Electronic Engineering, UP: The successes of artificial intelligence and pattern recognition

3 May 1999:  Dr Francis Thackeray: Trying to Make Sense of the Hominid Family Tree

7 June 1999:  Professor Johannes Heidema, Dept of Mathematics, Applied Mathematics and Astronomy, Unisa:  Logics for all seasons

2 August 1999:  Dr CK Brain: The Ancient Roots of Human Intelligence

6 September 1999:  Dr Ansie Meiring, Dept of Mathematics, UP: The New Millenium – Facts and Figures

4 October 1999:  Martino: Seeing is [not always] believing