He was no anatomist, no physiologist, but rather what nowadays we should call a pharmacologist.
In fact, in spite of that, she was a pharmacologist, that means she has a good head.
pharmacology phar·ma·col·o·gy (fär'mə-kŏl'ə-jē)
The science of drugs, including their composition, uses, and effects.
The characteristics or properties of a drug, especially those that make it medically effective.