Tom Whitman proposes a new developmental theory of autism that focuses on the diversity of characteristics associated with this disorder, and how these develop over time. This theory is reconciled and integrated with contemporary theories of autism, including the social, cognitive, linguistic, sensorimotor and biological perspectives. The broader societal context in which autism emerges is also explored along with its impact on the family. Whitman draws from extensive clinical experience to examine common education and biomedical interventions and presents recommendations both for practical ap.