4 March 2009: [Organised by the Royal Society at S2A3 venue] Prof Mike Bruton: 1000 Yeaars of Islamic knowledge rediscovered.

20 May 2009: Professor Ado Janse van Rensburg, Steve Biko Hospital, University of Pretoria: The Physics of Music

5 August 2009: Werner H. Gries, Honorary Professor, Department of Physics, University of Pretoria. What man can know of what is - does our knowledge correspond to reality?

7 October 2009: Professor Lynne Webber, Head of Department of Medical Virology, University of Pretoria. The H1N1 Influenza pandemic – Its emergence and the implications for society.