 One of the more significant contributions of the Bureau was its implicit idea that Surrealism was not to be contained under the category of the aesthetic.An assumption of the Bureau was that Surrealism could be a mode of research, and could produce knowledge on a par with the knowledge produced by scientific researchers.According to Anna Balakian, Andre Breton's biographer, the Bureau "was supposed to implement the theory that surrealism resembled scientific investigation and promoted experimentation in the field of psychology and linguistics.