At a time when illiteracy and poverty were common, Chang convinced JiaYi, the village elder to subsidize his education in Japan. In 1930, Chang graduated from Japan’s Tokyo University of Pharmacy and Life Sciences and returned to Taiwan to be the country’s first pharmacist. Over the next few years he used compounding techniques and revolutionized medicine by creating a set of powdered formulas that incorporated elements of both western and eastern medicine. His products are still popular today. is Taiwan’s number one sellingpowdered medicine. His book, is still available today.