Professor Roger Penrose Professor Roger Penrose born 1931, theoretical mathematician at Oxford University and inventor of twistor theory. Photographed at blackboard with diagram of a twistor, Oxford, 1980., by ANTHONY HOWARTHSCIENCE PHOTO LIBRARY Editorial Stock Photo - Afloimages
Professor Roger Penrose (born 1931), theoretical mathematician at Oxford University and inventor of twistor theory. Photographed at blackboard with diagram of a twistor, Oxford, 1980., by ANTHONY HOWARTH/SCIENCE PHOTO LIBRARY