Greek philosopher Philolaus is considered one of the pillars of the Pythagorean school. He promoted the number theory of Pythagoras and dismissed the theory of geocentrism, supporting the thought that the center of the universe consisted of an unseen Central Fire, around which the Sun, the Earth, and all other planets revolve.
Straton of Lampsacus was a Peripatetic philosopher who served as the third director of the Lyceum after the demise of Theophrastus in 287 BC. Straton or Strato is remembered for his contribution to the field of natural science. His works achieved popularity in the 17th century as it influenced several philosophers like Pierre Bayle.
Eudemus of Rhodes was a Greek philosopher and one of the most important pupils of Aristotle. Eudemus is also credited with editing many of Aristotle's works and simplifying it to make more easily accessible. Most of his works have not survived and what remain today are citations of his work in the works of other philosophers like Theon of Smyrna.