The Poison Trials: Wonder Drugs, Experiment, and the Battle for Authority in Renaissance Science

In 1524, Pope Clement VII gave two condemned criminals to his physician to test a promising new antidote. After each convict ate a marzipan cake poisoned with deadly aconite, one of them received the antidote, and lived—the other died in agony. In sixteenth-century Europe, this and more than a dozen other accounts of poison trials were committed to writing. Alisha Rankin tells their little-known story.

At a time when poison was widely feared, the urgent need for effective cures provoked in...