Autolycus (Moon)

Named after Autolycus of Pitane - Greek astronomer (fl. c. 310 B.C.).

Autolycus is a lunar impact crater that is located in the southeast part of Mare Imbrium. West of the formation is Archimedes, a formation more than double the size. Just to the north is Aristillus, and the outer ramparts of these two craters overlap in the intermediate stretch of the lunar mare. The rim is somewhat irregular, although generally circular overall. (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.