MARTIN E.P. SELIGMAN (n. 12 august 1942) este un reprezentant de prim rang al scolii americane de psihologie cognitiva, fondata de Aaron T. Beck si Albert Ellis. Este profesor de psihologie la University of Pennsylvania si fost director al American Psycholo gical Association. Domeniile sale predilecte de cercetare sunt psihologia pozitiva, depresia, optimismul si pesimismul. Printre cele mai cunoscute lucrari ale sale se numara Learned Optimism: How to Change Your Mind and Your Life, Knopf, New York, 1991 (Optimismul se invata. Stiinta controlului personal, Humanitas, Bucuresti, 2004); The Optimistic Child: Proven Program to Safe guard Children from Depression & Build Lifelong Resilience, Houghton Mifflin, New York, 1996; Authentic Happiness: Using the New Positive Psychology to Realize Your Potential for Lasting Fulfillment, Free Press, New York, 2002 (Fericirea autentica. Ghid practic de psihologie pozitiva, Humanitas, Bucuresti, 2007); Flourish: A Visionary New Understanding of Happiness and Well-being, Free Press, New York, 2011.