3.14::celebrating 'king Pi'stein

1988 A brief history of time

-  384–322 BC:: ancient Greek Aristotle (Plato)

- 100 – 170 AD Claudius Ptolemy 

- 1473 – 1543 Nicolaus Copernicus Polish Renaissance-era priest, formulated the model of the Sun rather than the Earth at the center of the universe (1514)

- 1609 German Jonannes Kepler (ellipses) and Italian Galileo Galilei

*The actual inventor of the telescope is unknown but Galileo heard about it and, in 1609, built his own version.  

- 1687:: Sir Isaac Newton (1642 - 1726) published Philosophiæ Naturalis Principia Mathematica

- Edwin Powell Hubble (1889 – 1953) American:: Big Bang