Swiss psychiatrist Hermann Rorschach (1884-1922) is not only the author of the famous "ink spot test," but also the founder of modern psychological diagnostics. This publication includes Rorschach's classic work Psychodiagnostics, as well as his report On the Interpretation of the Experiment on the Interpretation of Forms. The book is intended for a wide range of readers interested in the history of psychology and the application of psychodiagnostic tests in psychology and psychiatry.