Beate Geissler was born in Neuendettelsau, Germany, in 1970. She studied photography at the Staatliche Fachakademie für Fotodesign in Munich and then attended the Staatliche Hochschule für Gestaltung, in Karlsruhe, studying under Thomas Struth, Candida Höfer and Gunther Rambow. Oliver Sann was born in Düsseldorf, Germany, in 1968; he started working as a photography assistant for Hugh Ashley Rayner in Bath, Great Britain, then attended the Staatliche Fachakademie für Fotodesign in Munich studying photography. He graduated at the Academy for Media Arts in Cologne. They both live and work in Cologne, Germany. Their work has been on display in galleries and museums since the mid-nineties. Their most recent work is the video Return to Veste Rosenberg which encourages one to imagine various fantasy adventures in the mediaeval fortress.