Dioscorides
…Πεδάνιος Διοσκουρίδης, Pedánios Dioskourídēs; c. 40–90 AD), "the father of pharmacognosy", was a Greek pharmacologist, physician, botanist, and author of De materia medica (in the original Ancient Greek: Περὶ ὕλης ἰατρικῆς, Peri hulēs iatrikēs, both meaning "On Medical Material"), a 5-volume Greek encyclopedic pharmacopeia…