The unprecedented development of science and technology [has been] so rapid that it is said that 90 per cent of the scientists which this country has ever produced are still living today.
Source, in full
"Reflections on Medicine and Humanism: Linacre Lecture", Universities Quarterly, vol. 17 (1963) p. 327. Reported in Maurice B. Strauss (ed.) Familiar Medical Quotations (Boston: Little, Brown and Co, 1968) p. 531 · W. F. Bynum and Roy Porter (eds.) Oxford Dictionary of Scientific Quotations (2005) p. 495