Sampson is a relatively tiny lunar impact crater located near the central part of the Mare Imbrium. It was named after British astronomer Ralph Allan Sampson. To the northeast is the crater Landsteiner and to the southeast lies Timocharis. East of this crater is the Dorsum Grabau, a wrinkle ridge in the mare. See also Asteroid 9881 Sampson References External links LTO-40B1 Sampson — L&PI topographic orthophotomap of the crater and its vicinity. Impact craters on the Moon Mare Imbrium