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: 1627 - 1691
Transformed chemistry from a field bogged down in alchemy and mysticism into one based on measurement. They defined elements, compounds, and mixtures, and discovered the first gas Law.
Joseph Priestley
Robert Boyle
Niels Bohr
Wilhelm Röntgen