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Roger Penrose
Roger, Longair, Malcolm Penrose
Roger et. al Penrose

See also:

PENROSE, ROGER & SHIMONY, ABNER & CARTWRIGHT, NANC
THE SMALL AND THE HUMAN MIND PENROSE, Roger LARGE
Penrose, Roger et al. / Longair, Malcolm (Ed.)
Penrose, Roger, Cartwright,Nancy and Hawking,Stephen Edited by Longair, Malcolm