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:

(1733-1804) English Separatist theologian, natural philosopher, and chemist. Credited with the discovery of oxygen. Defended phlogiston theory and rejected the chemical revolution which left him isolated in the scientific community.
Joseph Priestley
John Milton
Cicero
Francis Bacon