 Diocles (mathematician)

Diocles was a Greek mathematician and geomancer active during the 2nd century BCE. He is best known for his work in the field of geometry, particularly his contributions to the study of conic sections, which are curves obtained by intersecting a plane with a cone. Diocles is also recognized for his work on the problem of finding the area of certain shapes, including the area of a circle, and for introducing methods related to the tangents of curves.