Named after Francesco Vico - Italian astronomer (1805-1848).
De Vico is a small lunar impact crater that is located in the southwest part , to the south of the crater Sirsalis. De Vico is a circular, bowl-shaped formation with a small, flat bottom at the midpoint. To the northwest is the lava-flooded remains T. Beyond is a linear rille designated Rimae Sirsalis that follows a path to the northeast past the rim of Sirsalis. (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.