Stefan Klein, PhD, recipient of the prestigious Georg von Holtzbrink Prize for Scientific Journalism, is one of Europe s premier science writers, as well as a trained physicist himself. His many books include the #1 international bestseller "The Science of Happiness" and have been translated into 25 languages. Ross Benjamin is a translator and a writer. He has received the prestigious Helen and Kurt Wolff Translator s Prize as well as a National Endowment for the Arts Translation Fellowship.