This early work by Sigmund Freud was originally published in 1921 and we are now republishing it with a brand new introductory biography. 'Group Psychology and the Analysis of the Ego' is a work on the psychology of group membership and behaviour. Sigismund Schlomo Freud was born on 6th May 1856, in the Moravian town of Pribor, now part of the Czech Republic. He studied a variety of subjects, incl...