Able Media
The Asclepion: Medicine in Ancient Greece
Impressive Classics Technology Center site lists the achievements of the ancient Greeks in medicine from the time of Homer up to Hippocrates and the plague of Athens during the Peloponnesian war. Gives evidence from ancient texts.
Philosophy Pages
Philosophy Pages: The Origins of Western Thought
Scroll down about 1/4 of the page for information on the philosophy of the Milesians. Discusses the beliefs, thinkings, and teachings of the three Milesian philosophers: Thales, Anaximander, and Anaximenes.
Internet Encyclopedia of Philosophy
Internet Encyclopedia of Philosophy: Anaximenes
This site from the Internet Encyclopedia of Philosophy provides a brief biography of Anaximenes and summary of his thought.