Named after Hermann Weyl - German-American mathematician (1885-1955).
Weyl is a lunar impact crater on the far side , behind the western limb as seen from the Earth. It lies to the east-southeast of the larger crater Fersman. To the southeast is Kamerlingh Onnes, and to the northeast is Shternberg. This is a heavily eroded crater with a damaged outer 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.