Where is the English mathematician who described Twistor Space in the 1960's the  Emeritus Rouse Ball Professor of Mathematics?
Twistor space:  It was described in the 1960s by Roger Penrose and Malcolm MacCallum. Roger Penrose: Sir Roger Penrose {'1': ", '2': ", '3': ", '4': "} (born 8 August 1931) is an English mathematical physicist, mathematician and philosopher of science. Roger Penrose:  He is the Emeritus Rouse Ball Professor of Mathematics at the Mathematical Institute of the University of Oxford, as well as an Emeritus Fellow of Wadham College.
Mathematical Institute of the University of Oxford