Berkner (Moon)

Named after Lloyd Viel Berkner - American geophysicist (1905-1967).

Berkner is a lunar crater on the far side , just past the western limb. It is attached to the east-southeast rim of the crater Parenago. Just to the south is the Robertson, and to the southeast is Helberg. The outer rim of this crater has been worn and eroded, particularly along the northwest half. (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.