Austria: Sigmund Freud publishes “The Ego and the Id.”
Freud had been developing psychoanalysis since the 1890s in Vienna.
The field was impacted by numerous (primarily Jewish) luminaries including:
K. Abraham, N. Abraham, N. Ackerman, A. Adler, F. Alexander, E. Becker, B. Bettelheim, N. Chodrow, D. Cooper, H. Deutsch, E. Erikson, A. Freud, E. Fromm, K. Horney, S. Isaacs, E. Jacobson, E. Jones, C. Jung, H. Hesse, O. Kemberg, R.D. Laing, R. Lowenstein, T. Rank, W. Reich, T. Reik, G. Roheim, R. Schafer and R. Spitz, among others.