Paul Ferdinand Schilder, an early 20th century neurologist, psychoanalyst, and psychiatrist, made significant contributions to the areas of psychoanalysis, psychiatry, neuropathology, and cognitive neuropsychology. The extent of his contributions to assessment and psychotherapy is likely unknown to the majority of practicing clinicians trained in the past several decades. This article provides an overview of Schilder's eclectic and integrative contributions to clinical practice, focusing on his books published in English.