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: 1048 - 1131
A poet, philosopher, and scientist who calculated the length of a year to the most accurate value ever and showed how the intersections of conic sections can be utilized to yield geometric solutions of cubic equations.
John Venn
Omar Khayyam
Heinrich Hertz
William Harvey