Schlaich, Sibylle: - The authors Heike Nehl and Sibylle Schlaich have been working on airport wayfinding systems for 15 years. They founded Moniteurs in 1994 and today, as information designers, they develop, together with their team, analogue and digital wayfinding systems for international airports. At home and abroad they regularly give lectures on the topic of orientation at airports and have taught at several universities.