Yes, Euclid was a philosopher of Ancient Greece.
Socrates.
Plato
He was a very important teacher and philosopher.
Colonel Sanders
Socrates lived in Ancient Greece but was a philosopher and teacher, not a sportsman. Descartes was a French philosopher who lived in the 1600's. He was no sportsman either.
Sophocles, Socrates, Plato, Aristotle, Epicurus.
As far as I know, it was Archimedes..................... but I could be wrong.
Every philosopher.
Socrates, Hippocrates, Aristotle ,and Plato are the most famous.
Democritus and his mentor Leucippus postulated the existence of the atom.
He investigated ways of thinking and natural science, and taught them to others.