7 March 2007: Dr Adrian Tiplady, University of Cape Town: KAT and the SKA: The future home of  Radio Astronomy in South Africa.

9 May 2007: Albert Gazendam, Meraka Institute, CSIR. Building the most powerful superconductor in Africa.

1 August 2007: Marthán N Bester, Mammal Research Institute, University of Pretoria: Elephant Seals and the International Polar Year.

5 September 2007: Prof Keith Manchester, School of Molecular and Cell Biology, WITS. Chemical complexities in a crime novel.   

3 October 2007: Prof John F. Ogilvie, Visiting professor of chemistry, University of Pretoria; associate, Centre for Experimental and Constructive Mathematics, Simon Fraser University; honorary professor  of  chemistry, Universidad de Costa Rica. Peregrinations about  π and mathematics with a computer