Swiss psychiatrist Hermann Rorschach (1884-1922) was the developer of the inkblot personality test commonly known as the Rorschach test. The ten inkblot cards designed by Rorschach in the early twentieth century have continued to be used by mental health professionals as one of the standard means of compiling a subject's personality profile.

Swiss psychiatrist Hermann Rorschach was the developer of the widely-used personality evaluation method known as the Rorschach test. The Rorschach test involves the assessment by a psychiatrist or psychologist of a subject's responses when asked what he or she sees in a series of inkblots. Rorschach believed that this method could determine the amount of introversion and extroversion a person possessed, as well as clues about such characteristics as intelligence, emotional stability, and problem-solving abilities. In addition to general use in psychiatry and psychology, the test has come to be used by a wide-range of groups...