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: 1646 - 1716
Conceived the ideas of differential and integral calculus, independent of Isaac Newton's contemporaneous developments. They were the first to describe a pinwheel calculator in 1685, and they also refined the binary number system.
Gottfried Leibniz
Francis Bacon
Alexander Graham Bell
Alfred Wegener