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The circumstances were ridiculously improbable—like the chances of Ted Williams hitting a home run in the last at bat of his long career in the majors. Stephen Jay Gould had just published two books, reflecting two sides of his professional life. One was his scientific magnum opus, The Structure of Evolutionary Theory, a volume of close to 1,500 pages. Here was the Gould who had influenced the field of evolutionary theory since he and his fellow paleontologist Niles Eldredge challenged the neo-Darwinian consensus in 1972 with their theory of "punctuated equilibria."

Gould and Eldredge argued that the evidence simply didn't support the model of infinitely gradual incremental change over the eons of deep time. No; while small-scale change certainly proceeded thus, the real action—the sort of thing people have in mind when they argue about "evolution"—took place in fits and starts and at various promptings outside the everyday mechanisms of natural selection: even as far outside as the impact of a giant meteor, for instance. Their theory was extremely controversial when first proposed and remains in dispute today, though subsequent evidence seems to favor Gould and Eldredge, and many evolutionary thinkers accept some variant of punctuated equilibria.

As for creationists, they liked to cite the debate as evidence that Darwinism was imploding. Alas, as usually presented, this was a gross distortion—a pity, since there was an important core of truth to the notion. And that, in turn, is why many of Gould's fellow scientists never forgave him. He had provided aid and comfort to the enemy!

Then there were those who recognized that Gould was no friend to the creationists but who despised him anyway, perhaps out of sheer envy for the range of his gifts. So, most notoriously, in the pages of The New York Review of Books the British evolutionary theorist John Maynard Smith could write:

Gould occupies a rather curious position, particularly on his side of the Atlantic. Because of the excellence of his essays, he has come to be seen by non-biologists as the preeminent evolutionary theorist. In contrast, the evolutionary biologists with whom I have discussed his work tend to see him as a man whose ideas are so confused as to be hardly worth bothering with, but as one who should not be publicly criticized because he is at least on our side against the creationists.

That's an interesting window into the minds of certain defenders of Darwinist dogma, assuming the whole story wasn't invented by Maynard Smith, whose argument is rather like saying that Yo-Yo Ma is popular with people who know nothing about classical music, but the musicians I take my tea with tend to see him as a barely passable cellist. (And don't you love that phrase "particularly on his side of the Atlantic"? Some Brits have never forgiven us for the Revolution.)

Maynard Smith's mention of Gould the essayist takes us to the second book Gould published this past month, I Have Landed: The End of a Beginning in Natural History, marking the end of his extraordinary series of essays in 300 consecutive issues of Natural History magazine—a streak that seems even more remarkable to me than Joe DiMaggio's still unbroken record hitting-streak of 56 games. This book represented the other side of Gould's professional life, as not only the best science writer in a golden age of science writing but as good an essayist, period, as to be found in our time.

And having published these two books, the summing up of a life's work, Gould died last week at the age of 60, succumbing at last to the cancer he had held at bay for 20 years. "Improbable" doesn't begin to describe it.

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May (Web-only) 2002, Vol. 46