If North American psychologists were asked to list the most important dates in the history of their field, certain events would likely be named: Gustav Fechner's mind-body insight on October 22, 1850; Wilhelm Wundt's establishment of his Leipzig laboratory in 1879; the publication of William James's Principles of Psychology in 1890; the founding of the American Psychological Association (APA) in 1892; John Watson's behaviorist manifesto published in 1913; the first state psychology licensure law in Connecticut in 1941; and the Boulder Conference of 1949 that established the scientist-practitioner model of professional training in psychology.Not on this short list, and perhaps not even associated with the discipline by many psychologists, is a date certainly important in American psychology's history: May 17, 1954. This date marks the public validation of psychology as a science through the use of psychological data in a 1954 Supreme Court case that many have called the legal decision of the 20th century because it changed the fabric of American society. How was such a monumental event received by psychologists? More particularly, how did organized psychology, specifically APA, respond to this historic occasion in which psychologists and psychology had been so intimately involved? We offer some possible answers to these We express our appreciation to