fl. second century B.C.

Greek mathematician who, according to Arabic tradition, discovered the parabolic burning mirror. Diocles discusses the theory of spherical and parabolic burning mirrors in his only extant work, On Burning Mirrors. However, this treatise is primarily a collection of theorems in higher geometry. Among those mentioned are two solutions to the problem of doubling of the cube: (1) using the intersection of two parabolas, and (2) using a spherical curve known as the cissoid.