Christopher Peterson was an influential American psychologist known for his work in the field of positive psychology. He was a professor at the University of Michigan and co-authored the book Character Strengths and Virtues, which outlines various human strengths and virtues. His research focused on understanding what makes life worth living and how individuals can cultivate happiness and well-being. In addition to his academic contributions, Peterson was a passionate advocate for the importance of character development and resilience. He believed that fostering positive traits could lead to a more fulfilling life. His work has inspired many in the fields of psychology and education.