Samuel Frederick Gray was a British botanist and pharmacologist known for his influential work on medicinal plants and his pioneering role in the development of scientific herbalism.
Johann Friedrich Struensee was a German physician and royal advisor who implemented significant reforms in Denmark during the late 18th century.
Linnaeus was a renowned Swedish botanist, zoologist, and taxonomist who formalized the modern system of naming organisms.
Ibn Sina, also known as Avicenna, was a Persian polymath, philosopher, and physician whose extensive works laid foundations in various fields, including medicine, philosophy, and logic.