sentences:  He obtained his habilitation at the University of Strasbourg, and in 1900 became a member of the Deutsche Akademie der Naturforscher Leopoldina.Voeltzkow is remembered for his scientific journeys in eastern Africa and islands of the Western Indian Ocean; (Comoros, Madagascar, Juan de Nova and Aldabra).On these expeditions, Voeltzkow collected zoological specimens of numerous genera for study and classification.