Gravity

Events

Printing invented

Approx. 1457

Copernicus

1473 - 1543

Protestant Reformation

Approx. 1520

Copernicus "On the Revolutions of the Celestial Spheres" published

1543

Brahe

1546 - 1601

Galileo

1564 - 1642

Kepler

1571 - 1630

Newton

1643 - 1727

newton enrolls in Trinity College, Cambridge

1661

Newton works on gravity calculations.

1666 - 1684

Invents calculus and begins to study problem of gravity

1666

Publication of Newton's complete "Principia".

1687