Dunthorne is a small lunar impact crater that is located to the northwest of the small lunar mare called Palus Epidemiarum, in the southwest part 's near side. It lies to the southwest of the crater Campanus, and east of Vitello. Due south is Ramsden. This crater is roughly circular and bowl-shaped, with an interior that has a higher albedo than the surrounding terrain. (wikipedia entry)
A crater is a circular depression likely created by an impact event. On the Moon they are named after deceased scientists, polar explorers, astronauts or cosmonauts.