This volume is composed of seven essays by prominent psychoanalysts, historians, and psychologists. The spirit of this compilation is conveyed in William Langer's introduction. As in his inaugural presidential address to the American Historical Association some fifteen years ago, Langer emphasizes the importance of coöperative efforts between historians and modern psychologists. His influence in this direction upon the younger generation of historians has been most effective and fruitful.

An outstanding example of the mastery of psychoanalytic knowledge by a historian is the superb psychobiographical essay by Peter Lowenberg on Theodore Herzl. Lowenberg displays his full armamentarium as an experienced research historian and a highly integrated student of psychoanalytic dynamics and technique. This results in an unusual portrait in depth of Herzl and a penetrating psychological study of his role as the founder of Zionism. There are also two interesting studies of Stalin and Hitler by Gustav Bychowski and R. G. L. Waite, respectively. Bychowski's