EntityQ67462· pop 12· linked from 16 articlesWilhelm SieversSign in to saveGerman geologist (1860-1921)ConnectionsColombiaCountryVenezuelaCountrySouth AmericaEntityPeruCountryEcuadorCountrygeographyEntityWorld War IConceptcontinentEntityHamburgEntityAmazonEntityLeipzigEntityAlexander von HumboldtEntityGöttingenEntityJenaEntityice ageEntityInternet ArchiveEntitymerchantEntityMarañón RiverEntitygeologistEntitygeographerEntityCategories1860 births1921 deaths19th-century German botanists19th-century German explorers19th-century German geologists20th-century German geologistsAcademic staff of the University of GiessenBotanists active in South AmericaBotanists with author abbreviationsExplorers of South AmericaGeopoliticiansGerman geographers