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: c. 325 - c. 270 BCE
Authored "Elements", the most famous and most published mathematical work in history, and "Optics", which explained light’s behavior using geometrical principles - the basis of artistic perspective, astronomical methods and navigation methods for more than two thousand years.
Leo Szilard
Euclid
Albert Einstein
John Dalton