About 15 years ago, I read a very good book by John Hedley Brooke, published by Cambridge University Press, called Science and Religion: Some Historical Perspectives. Ask me what I recall of it, and the first thing to come to mind would be Luther on alchemy. I remember being startled by a quotation that Brooke gives, in which the great Reformer expresses his appreciation for alchemy. (The source Brooke cited was a journal article that I never tracked down; if there's reason to suspect its authenticity, Luther scholars, let me know.) Elsewhere Brooke remarks the Christocentric nature of the theology of Paracelsus; that, too, came as a surprise at the time.

In the intervening years, a number of scholars have been working to revise the received account of alchemy. You may remember as I do a brief mention of alchemy in survey classes, where it was adduced as an instance of the pitiful superstition and mummery dispelled by Enlightenment. (Nothing here about medieval science as studied by Pierre Duhem and others; those were the Dark Ages, you see.) And in literature alchemists turned up right and left, whether as shrewd rogues who exploited human folly or as victims of their own desire for wealth and power.

Earlier this month at the Chemical Heritage Foundation in Philadelphia, a number of these scholars gathered for an International Conference on the History of Alchemy and Chymistry ("chymistry" referring to early chemistry in which alchemical speculation and practice played a significant role). Lawrence Principe of Johns Hopkins University, the chief organizer of the conference, and William Newman of Indiana University, were among the presiding spirits of the event; also present was Allen Debus, to whom many of the speakers paid tribute for his pioneering scholarship on the history of alchemy.

After a superb early music concert on the opening night—music with alchemical themes or affinities, performed by Arcanum—the conference settled down to a program of papers, the standard of which was unusually high, concluding on the final night with a banquet and a tribute to the chemist-bibliophile Roy Neville, whose magnificent library was recently acquired by the CHF.

So: A better than average conference, clearly a high point for scholars in this field, both old and young, who have seen their work attain academic respectability—but what of the implications? Why should an outsider care?

There are many reasons, but a good place to start is with our understanding of modernity. As the vogue for "postmodernity" slowly fades, it is becoming increasingly clear that we are still in modernity, whatever that means, and running parallel to this new study of alchemy are similar trends in many different fields, which have in common their discovery that "modernity" was rather different than had been supposed. That Isaac Newton was deeply engaged in alchemy is emblematic of this reassessment. But equally notable is the way in which early chemistry was interwoven with theological disputes, especially with regard to the Eucharist—a recurring theme at the conference.

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Then again, as Newman shows in his brilliant book Promethean Ambitions: Alchemy and the Quest to Perfect Nature, published by the University of Chicago Press in 2004, the history of alchemy has a bearing on our concern over the "rapidly eroding boundaries between the realms of the artificial and the natural," as considered for example by the President's Council on Bioethics. If the alchemist is not our contemporary, he is our ancestor, and we need to know about him—for his own sake, yes, but also better to understand ourselves and our times.

John Wilson is the editor of Books & Culture.

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Books & Culture Corner and Books & Culture's Book of the Week, from Christianity Today sister publication Books & Culture: A Christian Review (want a free trial issue?), appears regularly on Tuesdays at Christianity Today. Earlier editions include:

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For book lovers, our 2006 CT book awards are available online, along with our book awards for 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, and 1997, as well as our Books of the Twentieth Century. For other coverage or reviews, see our Books archive and the weekly Books & Culture Corner.