sentences:  After beginning undergraduate studies at Smith College, Thomas took a break to travel in Africa with her family and later completed a degree in English from Radcliffe College.Between 1950 and 1956, she took part in three expeditions to live with and study the Ju/'hoansi (!Kung Bushmen) of the Kalahari Desert in Namibia and Botswana.During these trips, Thomas kept a journal which she later drew on when writing her first book, "The Harmless People".