The field of personology or personality is enjoying great growth, spurred by findings from behavior genetics, evolutionary psychology, rethinking of the Diagnostic and Statistical Manual of Mental Disorders definition of personality disorders, and advances in test construction and psychometrics . This book traces the development of the field, written by those who were the pioneers of personality assessment. Sixteen autobiographical chapters written by the pioneers of personality assessment trace the development of the field. With accompanying photos and a concise bibliography from each contributor, this one-of-a-kind compilation of the past, present, and future of personology provide a unique insider's view of the discipline.