The Old Dispensatory

In 1677, in La Rochelle, France, a book was published that contains almost no words: the Mutus Liber, the “Silent Book”—fifteen engraved plates showing, without explanation, the stages of an alchemical work. Authorship hides behind the anagram “Altus.” Its most famous plates show something disarmingly concrete: a man and a woman in a field at … Read more

In 1605, the Carthusian monks of a charterhouse near Paris received a manuscript from François Hannibal d’Estrées, a marshal of France: a formula titled an “Elixir of Long Life.” It took the order more than a century to fully decode and master it; by 1737 the recipe had traveled to the Grande Chartreuse in the … Read more

The Comte de Saint-Germain is the eighteenth century’s most durable mystery: a courtier of unknown origin who dazzled Versailles in the 1750s—spoke half a dozen languages, played violin brilliantly, dabbled in alchemy and dyes, claimed (or slyly allowed others to claim) to be centuries old and to possess an elixir of life. Voltaire called him, … Read more

The legend arrived in my apothecary the way most do—half-remembered, several versions tangled together, and absolutely irresistible. Four thieves, a plague city, a secret formula traded for their lives. During the great plague outbreak in Marseille in 1720, the story goes, four men were caught robbing the dead. They never fell sick. The magistrate offered … Read more

For roughly eighteen centuries, the most prestigious medicine in the Western world was a single preparation: theriac—a fermented paste of five to seven dozen ingredients including opium and the flesh of vipers, aged like wine, priced like treasure, and dispensed against everything from snakebite to plague. No modern drug has held the market for a … Read more