3 March 2003:  Dr Paulette Bloomer: Dept of Genetics, University of Pretoria: "Conserving genetic heritage in endemic species of southern Africa".

7 April 2003:  Prof CJH Schutte:, Dept Chemistry, Univ. of Pretoria and UNISA, National Bioinformatics Network: "Discovering paleolithic mathematics: A journey into the past”.

5 May 2003:  Prof WJR Alexander: Professor Emeritus, Dept of Civil and Biosystems Engineering, University of Pretoria: Climate change and the return of Hurst’s Ghost

2 June 2003:  Prof Lucas Venter: Dept of Computer Science, UNISA: Are all computer scientists computer literate?

4 August 2003: Prof Paul Swart: Complex systems, pattern recognition and evidence based medicine

1 September 2003:  Mr Manfred Scriba: Manufacturing and Materials Technology, CSIR: Nanotechnology - the next "big" wave

6 October 2003: Dr Gilbert Siko: Dept of Biochemistry, University of Pretoria: Early detection of Tuberculosis