👉 Theophrastus (374-425 BCE) was a Greek philosopher, physician, and scientist who lived in ancient Greece. He is best known for his work on medicine, which he developed from observations of the human body and the environment. One of his main contributions to science was his formulation of the concept of the "opinion of man," which posits that all human beings are essentially identical. This idea has been influential in many fields, including philosophy, art,
