review of  ‘The Age of Wonder’ by Richard Holmes

Much of the book is also devoted to Humphry Davy, whose reputation is multifaceted. He wrote poetry; he had lively friendships with some of the best-known writers of his day; he invented a lamp that would prevent methane gas from exploding and save the lives of countless miners. Best immortalized here, though, are Davy’s experiments with nitrous oxide, tests in which he eagerly served as guinea pig. Inhaling that substance gave him “a thrilling all over me most exquisitely pleasurable,” he recorded. “I said to myself I was born to benefit the world by my great talents...”