EntityQ67622· pop 14· linked from 11 articlesAdolf OverwegSign in to saveGerman astronomer and geologist (1822-1852)ConnectionsSaharaEntityTripoliEntityInternational Standard Book NumberEntityCentral AfricaEntityLake ChadEntityastronomerEntityMaiduguriEntityBenue RiverEntityZinderEntitygeologistEntityHeinrich BarthEntityEuropean exploration of AfricaEntityAdamawa EmirateEntityKukawaEntityJames RichardsonEntityW. W. Norton & CompanyEntityEncyclopædia Britannica OnlineEntityCategories1822 births1852 deaths19th-century German astronomers19th-century German geologistsGerman explorers of AfricaHistory of MaiduguriHumboldt University of Berlin alumniScientists from HamburgUniversity of Bonn alumni