Peter Fratzl is Director at the Max Planck Institute of Colloids and Interfaces in Potsdam, Germany as well as Honorary Professor at Potsdam University and Humboldt University Berlin. His research interests are in biomimetic materials, including structure function relationships in biological materials and has over 300 publications on in scientific journals and books. Previous awards include an honorary doctorate from the University of Montpellier, France (2010), Gottfried Wilhelm Leibniz-Preis (2010) and together with Professor Robert Langer, MIT, the Max Planck Research Prize for pioneering work in the field of “Biological and Biomimetic Materials” MIT (2008). John W. C. Dunlop is a research group leader at the Max Planck Institute of Colloids and Interfaces, Germany. His research interests include mechanics of actuating systems, modelling of tissue growth and mechanics of cellular materials. Richard Weinkamer is a researcher at the Max Planck Institute of Colloid and Interfaces and his scientific interests include structure-function relations and mechanical properties of hierarchically structured biological tissues.