372?-287? B.C.

Greek Scientist and Philosopher

Theophrastus was a scientist and philosopher who made significant contributions to nearly every area of thought and science, and in particular the study of botany and ecology. Originally named Tyrtamus, he received the nickname Theophrastus, meaning "divine speech," from Aristotle (384-322 B.C.). Theophrastus was an extremely prolific writer who tackled a variety of subjects. His treatises were in-depth and thorough. He is responsible for writing well over 200 documents on the subject of botany alone.

Born in Eresus on the island of Lesbos, Theophrastus was originally a pupil of Plato (427?-347 B.C.), though became attached to Aristotle after Plato's death. When Aristotle retired from the Lyceum (an academy founded in Athens by Aristotle), he appointed Theophrastus as his successor. While Theophrastus studied very diverse issues, he is best known for his work with plants. He has...