Euclid was an ancient Greek scholar who

A Greek mathematician, often referred to as the "Father of Geometry". His Elements is one of the most influential works in the history of mathematics, serving as the main textbook for teaching mathematics from the time of its publication until the late 19th or early 20th century.

Explanation:

its c not d   tell me if that´s correct

i don't think it's c or d. i think it's either a or b.

hope this .