Mitchell (Moon)

Named after Maria Mitchell - American astronomer (1818-1889).

The floor is rough and irregular, with a low central rise, being partially filled with the ejecta of the younger Aristoteles. There is a slight notch in the southern rim, and the western wall has been completely absorbed by the rim of Aristoteles. (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.