Wallas' Four-Stage Model of the Creative Process: More Than Meets the Eye?

Based on a detailed reading of Graham Wallas' Art of Thought (1926) it is argued that his four-stage model of the creative process (Preparation, Incubation, Illumination, Verification), in spite of holding sway as a conceptual anchor for many creativity researchers, does not reflect accurately Wallas' full account of the creative process. Instead, it is suggested that a four-stage model that gives due recognition to the detailed treatment Wallas gave to the Intimation stage is a more authentic representation of his explanation of creativity. A version of this model with three levels of proximity to consciousness (nonconsciousness; fringe consciousness; consciousness) and five stages (Preparation; Incubation; Intimation; Illumination; Verification) is presented as a general conceptual architecture within which relevant concepts and theories from more recent creativity research, including neuroscience and intuition, are positioned and from which a number of implications are drawn.