John Maddox
(1925 – 2009) was for many years the editor ofNature, one of the two
most important general science journals in the world. In 1972 he published a
broadside against the radical pessimism then very prevalent with the title The
Doomsday Syndrome: An Assault on Pessimism. In this book, which makes
interesting reading today, Maddox attacked the propensity of scientists such as
Paul Ehrlich and Barry Commoner to project current trends indefinitely into the
future and to conclude therefrom that catastrophe must sooner or later (usually
sooner) result.
Ehrlich – who is still predicting catastrophe with as
much confidence as if all that he had predicted for the recent past had
actually come to pass – famously, or infamously, asserted in his neo-Malthusian
book, The Population Bomb, published in 1968, that the battle to
feed mankind was over and that hundreds of millions of people would inevitably
starve to death in the 1970s, irrespective of what anyone did to try to avoid
it.
His prediction
was not borne out; forty years later the greatest nutritional problem in the
world is probably obesity caused by over-eating. But like those persons on the
fringe of religion who predict that the world will beyond peradventure end on a
certain date but whose faith is quite unshaken by the failure of that wicked
world to conform to their righteous prophecies, so Professor Ehrlich continues
to assert that really he was right all along: merely that he
mistook the date of the great reckoning.
The problem with
an open-ended prediction, or rather prophecy, is that it can never be
proved wrong, however long it fails to be borne out. To the argument that the
prophet’s direst prognostications have not come to pass, he can always return
the answer, ‘No, not yet.’






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