found: Oorthuys, C. This is Oxford and Cambridge, 1962.
found: Quantum gravity 2, 1981 (a.e.) t.p. (R. Penrose)
found: Quantum concepts in space and time, 1986: CIP t.p. (R. Penrose, Mathematics Inst., Univ. of Oxford)
found: Quantum gravity, 1975: surrogate t.p. (R. Penrose; Rouse Ball professor of mathematics, Oxford)
found: Biog. resource center (Contemp. authors), Mar. 28, 2007 (Roger Penrose; b. Aug. 8, 1931, Colchester, England; St. John's College, Cambridge, Ph. D., 1957; Oxford University, Rouse Ball Professor of Mathematics, 1973-)
Penrose, Roger
