Karl Schwitzke,Born 1955Studied design and interior architecture at the Institute of TechnologyKaiserslautern.Employed by Associated Space Design, Atlanta,employed by Hentrich, Petschnigg & Partner KG, architectural officeDosseldorf.Head of department at the lifestyle and fashion label Esprit,responsible for image presentation of at point of sale.Since 1989 owner of the design office Schwitzke & Partner, Dusseldorf.Natalie Marth,Born 1967Studied law at the University of Gottingen,After legal clerkship, active as independent journalist forvarious national daily newspapers and technical journals.Editor-in-chief for Sportswear International News.Head of PR for various brands (Esprit, Big Star, Madonna etc.).Owner of Marth-PR.Heinz Peters,Born 1940Commercial training in Braunschweig.Since 1962 head of S&P Sch&ffer & Peters GmbH in Muhlheim.Karsten Tichelmann,Born 1965Studied constructional engineering at the Technical University Darmstadt.Conferral of doctorate at the Technical University Munich.Director of the VHT (research body for timber and dry construction),Darmstadt, director of the "lnstitut for Trocken- und Leichtbau,gemeinnutzige Forschungsgesellschaft", Darmstadt.Partner in the engineering partnership ofTichelmann I SI Barillas, Darmstadt.Professor at the Bochum University of Applied Sciences.Numerous textbooks and articles.