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Sir Peter Medawar

Sir Peter Medawar won the Nobel Prize for Medicine in 1960 for his work on tissue transplantation. He is perhaps best know for his numerous books, essays and book reviews on the subject of science and scientists.

The following give a flavor of his style.......

"The layman's conception of the scientist as a critic, a skeptic, a man intolerant or contemptuous of conventional beliefs, is obviously incomplete. The exposure and castigation of error does not propel science forward, though it may clear a number of obstacles from its path. To prove that pigs cannot fly is not to devise a machine that does so."
Unfortunately, a scientist's account of his own intellectual procedures is often untrustworthy. Ask a scientist what he conceives the scientific method to be, and he will adopt an expression that is at once solemn and shifty-eyed: solemn because he feels he ought to declare and opinion; shifty-eyed because he is wondering how to conceal the fact that he has no opinion to declare. If taunted he would probably mumble something about "Induction" and "Establishing the Laws of Nature", but if anyone working in a laboratory professed to be trying to establish the Laws of Nature by induction, we should think he was overdue for leave.
(From "Induction and Intuition in Scientific Thought" in Pluto's Republic, 1984, OUP)