A Plenary on Biological Control Systems A tribute to Professor Babatunde Ogunnaike

It is with great sadness that I learnt of the passing of Babatunde Ogunnaike, a great son of Africa and a leading researcher in our field. I had the honour of introducing his plenary a the inaugural Control Conference Africa in 2017, where he gave a fascinating talk on Biological Control Systems. We are lucky to have the slides from this presentation, which I post today as a memorial to a great but humble man.