Winkler (Moon)

Named after Johannes Winkler - German rocketry scientist (1897-1947).

Winkler is a small lunar impact crater on the far side. This feature forms a circular, cup-shaped depression in the surface. A small, fresh crater lies across the eastern rim. (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.