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. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Howarth, Anthony |
Taille de l’image : | 5088 px × 3555 px |
Model Release : | Le droit n'est pas encore disponible. Merci de nous contacter avant utilisation. |
Property Release : | Non requis |
Restrictions : | - |