What galen invented?

Answer 1

Galen, a prominent Greek physician and philosopher in the Roman Empire, made significant contributions to medicine and anatomy in the 2nd century AD. He is known for developing the theory of the four humors, which influenced medical practice for centuries. Additionally, Galen conducted extensive dissections of animals, leading to important insights into human anatomy, and he wrote numerous texts that served as authoritative references in medicine throughout the Middle Ages and into the Renaissance. His work laid the foundation for future medical advancements and the study of anatomy.