4 March 2015: Prof Tim Noakes, University of Cape Town, received the South Africa [Gold] Medal and presented the Marloth Commemorative Lecture: "Reversing the greatest blunder in the history of medicine: Can South African medical science lead the way?"

13 May 2015: Prof Henry Throop, University of Pretoria and Planetery Science Institute: Planet Formation in Dense Star Clusters.

29 July 2015: Rob Walter & Diederick J.vR. (Dicky) Kruger, Unlimited Titans: Cricket and Sport Science: Observations from the Head and the Strength and Conditioning Coach of The Unlimited Titans.

2 September 2015: Ian Raper: Language and Science in Africa: English as Medium of Instruction.

12 October 2015: Prof Motoyoshi Ikeda, Hokkaido University: The 2011 Japan Earthquake and Tsunami: Fukushima Nuclear Disaster.

28 October 2015: Prof Werner Gries, University of Pretoria: A Physicist's Model of Mind.