Instructions Full Game: These are multiple-choice quizzes with four possible answer choices that include all questions in a given set.     
Identify the following individual:

Lived: 1571 - 1630
Discovered the solar system’s planets follow elliptical paths, showed that tides on the earth are caused mainly by the moon, proved how logarithms work, discovered the inverse square law of light intensity. Their laws of planetary motion led Newton to his law of gravitation.
Johannes Kepler
Leonhard Euler
John Dalton
Charles Darwin