At the scientific meeting of the TOPEKA PSYCHOANALYTIC SOCIETY held April 14, 1945, Dr. Franz Alexander presented a paper entitled, Remarks on the Dynamics of Transference; on May 18th, Dr. Otto Fenichel read a paper, Motives of Defense; and on June 30th a paper was read by Dr. David Rapaport: Time, Space and Causality in the Light of the Psychology of the Unconscious and of Ego Psychology. The three concepts were discussed first, in the light of Kant's philosophy of the pure mind; second, as to their significance and origin in the unconscious, and third, as dimensions of conscious experience and thinking.