Instructions 20Q Game: These are similar to full games, but for quizzes larger than 20 questions it will randomly select 20 questions from within the set. This is a quick way to get in some studying of a topic.     
Identify the following philosopher:

(1646-1716) German polymath and one of the most important natural philosophers of the Enlightenment. Refined the binary number system. One of the most prolific inventors in the field of mechanical calculators.
Francis Bacon
Alexis de Tocqueville
Joseph Schumpeter
Gottfried Leibniz