AT (Dick) Grove (1924-) is a geographer whose research has concentrated primarily on desertification and climate history in arid lands and the human and physical geography of Africa. He also collaborated with his late wife, Jean Clark, on studies of the Little Ice Age and related topics. Apart from wartime service as a flying instructor in the RAF and twoyears with the Nigerian Geological Survey Department he has spent his adult life associated with the University of Cambridge, where he served as director of the Centre for African Studies from 1980-86. During the 1950s and 1960s he participated in a number of major expeditions including the 1969 Trans-African Hovercraft Expedition. Since his retirement he has continued to research and write on climate history and climate change.