Hans Zappe is the Gisela and Erwin Sick Chair of Micro-optics at the University of Freiburg, and an internationally recognised teacher and researcher in micro-optics. He has twenty-five years' experience working on optical microsystems, integrated optics and semiconductor lasers and has previously authored three textbooks. Claudia Duppé is the former Administrative Program Manager of the DFG Priority Program 'Active Micro-optics' at the University of Freiburg. She holds a PhD in New Zealand literature and has focussed professionally on academic communication and science management. She is presently Head of Communication and Networking at the Catholic University of Applied Sciences, Freiburg.