The history of modern research in schizophrenia may be divided roughly into two stages: (1) the description and interpretation of the phenomena or symptoms of the disease, a service in which Kraepelin laid the foundation and Bleuler the superstructure; (2) the interpretation of the disease as a whole, a phase of the subject which has increasingly engaged the attention of recent investigators. The tendency of recent years has been to interpret schizophrenia from a broadly biologic, or what Adolf Meyer has called a "genetic-dynamic," point of view. The disease is looked on as an essentially dynamic reaction representing the adjustment of a psychologically and morphologically distinctive type of person to the environment. The main steps in the evolution of this point of view were the following:
1. As far back as the first decade of this century, Adolf Meyer and August Hoch began to dispute the view then held by