Pythagoras [580 - 500 BC]
Greek philosopher, mathematician.

Anaxagoras [500 - 428 BC], Greek philosopher of nature.

Plato (428/427-348/347 BC), Greek philosopher, mathematician.

Hippocrates [460 - 377 BC], Greek physician of antiquity who is traditionally regarded as the father of medicine.

Aristotle [384-322 BC] Greek philosopher

Eratosthenes [276-194BC], Greek geographer, astronomer, mathematician.

Hipparchus [190 - 120 BC] Greek astronomer and mathematician.

Ptolemy [AD 127-145], ancient astronomer, geographer and mathematician.

Plotinus [AD 205, -270], ancient philosopher

Porphyry [AD 234 - 305], Greek philosopher

Proclus [AD 410 - 485] Greek philosopher.

Johann Müller (Regiomontanus) [June 6, 1436 - July 6, 1476] German astronomer and mathematician.

Nicolai Copernicus [February 19, 1473 - May 24, 1543] Polish astronomer.

Paracelsus (Philippus Aureolus Theophrastus Bombastus Von Hohenheim) [Nov. 11 or Dec. 17, 1493 - Sept. 24, 1541] German-Swiss physician and alchemist.

Michael Nostradamus also called Michel De Notredame, or Nostredame [Dec. 14, 1503 - July 2, 1566], French astrologer and physician.

John Dee {July 13, 1527 - December 1608] English alchemist, astrologer, and mathematician.

Tycho Brahe [Dec. 14, 1546 - Oct. 24, 1601] Danish astronomer.

Lord John Napier [1550 - April 4, 1617] Scottish mathematician and theological writer.

Francis Bacon [Jan. 22, 1561 - April 9, 1626] lawyer, statesman, philosopher.

Galileo Galilei [February 15, 1564 - January 8, 1642] Italian mathematician, astronomer, and physicist.

Johannes Kepler [December 27, 1571 - November 15, 1630] astronomer and astrologer.

Sir Isaac Newton: [December 25, 1642 (January 4, 1643, new style) - March 20 (March 31 new style), 1727] Physicist and mathematician.

John Flamsteed: [Aug. 19, 1646 - Dec. 31, 1719] first astronomer royal of England.