The purpose of this study is to explore and identify the theory of existentialism in Theodore Dreiser’s first fiction, Sister Carrie. Existentialism is a theory which, To this twenty-four hours, Sister Carrie remains remembered as one of the most controversial novels of its clip. The amazingly realistic characters and combative, Theodore Dreiser’s frankly realistic story called “ Sister Carrie, ” originally published seven years ago, is now republished by Messrs. B.W. Dodge amp Co. and,