Freud's Visit.

In September 1909 Sigmund Freud traveled from Europe to the United States and delivered a series of five lectures at Clark University in Worcester, Massachusetts. Freud's lectures to his American audience stimulated interest in psychoanalysis among many in the lecture hall audience, including G. Stanley Hall, the psychologist who was president of Clark, while others in the United States were exposed to his ideas through their reading of books and articles.

Popularizers.

Though Freud's work was only just beginning to be known in the America of the 1910s, his theories did have American popularizers. One such American account of Freudian psychology was made by Professor H. W. Chase of the University of North Carolina. In an article in Popular Science Monthly of April 1911, Chase explained "Freud's Theories of the Unconscious" to his readers: "By unconscious action, we understand action which goes on without...