Seligman worked with Christopher Peterson to create what they describe as a 'positive' counterpart to the Diagnostic and Statistical Manual of Mental Disorders (DSM).
Christopher Columbus | Oscar Peterson | Christopher Walken | Christopher Lee | Christopher Wren | Christopher Plummer | Christopher Reeve | Christopher Lloyd | Christopher Lambert | Christopher Kasparek | Christopher Hogwood | Roger Tory Peterson | Christopher Marlowe | Christopher Hitchens | Christopher Guest | Christopher | Christopher Tolkien | Christopher Isherwood | John Christopher | Christopher Fry | Scott Peterson | Christopher Alexander | Carl Peterson | Ralph Peterson, Jr. | David Peterson | Christopher Kane | Christopher Hatton | Christopher Banks | Peterson Air Force Base | Dennis Christopher |
It was created by Christopher Peterson and Martin Seligman, well-known researchers in the field of positive psychology, in order to operationalize their Character Strengths and Virtues Handbook (CSV).