Der Perlentaucher unter den Buchläden Eichendorff21

Martin Seligman, PhD, is a professor at the University of Pennsylvania, director of the Positive Psychology Center, and former president of the American Psychological Association. He received his BA in philosophy from Princeton University, and his PhD in psychology from the University of Pennsylvania and holds ten honorary doctorates. He was named the most influential psychologist in the world by Academic Influence. Along with writing for numerous scholarly publications and appearing in _The New York Times_ , _Time_ , _Newsweek_ , and many others, he is also the author and coauthor of over thirty books, including _Flourish_ , _Authentic Happiness_ , and _Tomorrowmind_.