Samuel Hahnemann was a physician, chemist, linguist, historian of medicine, and scientific revolutionary. Early in his career, he became so disillusioned with the state of medical practice that he stopped practicing medicine in the firm belief that the methods he was taught would do more harm than good. Instead he made his living translating medical and other texts. While Hahnemann was translating the Scottish physican William Cullen's Materia Medica, ...