Introduction Torsten Krude and Sara T. Baker; 1. Animal development and reprogramming John B. Gurdon; 2. Development of an athlete Katherine Grainger; 3. The development of galaxies Richard Ellis; 4. Developing a sense of self Bruce Hood; 5. Development of climate science Julia Slingo; 6. Biomimicry – development of sustainable design Michael Pawlyn; 7. Economic development Ha-Joon Chang; 8. Technology development Hermann Hauser.