Henrietta Swan Leavitt they became an important part of the evidence that "spiral nebulae" are independent galaxies located far outside of our own Milky Way. Thus, Leavitt's discovery would forever change our picture of the universe, as it prompted Harlow Shapley to move our Sun from the center of the galaxy in the "Great Debate" and Edwin Hubble to move our galaxy from the center of the universe. Leavitt's discovery of a way to accurately measure distances on an inter-galactic scale, paved the way for modern astronomy's understanding of the structure and scale of the universe. The accomplishments of Edwin Hubble, the American
The Discovery of the Unconscious "the derivative and curiously atavistic position of psychoanalysis in nineteenth century psychiatry", adding that "No one who ponders the entirety of Ellenberger's subtly ironic narrative can fail to come away with a sense that psychoanalysis was a high-handed improvisation on Freud's part." Crews also credited Ellenberger with a biographical understanding of Freud that "set a standard that contemporary scholars are still trying to match", and with demolishing the myth of Freud's originality and encouraging subsequent scholars to question the scientific validity of psychoanalysis. The historian Peter Gay described "The Discovery of the Unconscious" as useful despite Ellenberger's lack of sympathy