How is it possible to keep track in a project with 22 participating institutions on four continents? How can what the neurologist in the brain of an actor looks, change the theories of a theater scientist?What recognize a philosopher in one of a chimpanzee painted picture? Transdisciplinary collaboration always result in a concerted effort across artistic and scientific territory and thus the attempt with them to overcome traditional boundaries. Not always a collaboration designed smoothly. Collaborations often mean also confrontations of different methods, work modes or call cultures to bridge calls for a high input of motivation and time.