Mile Durkheim is pointed as one of first the great theoreticians of sociology, and its ideas are essential for the understanding of the reality of the social world. Durkheim allowed that sociology was emancipated of the social philosophy, it placed and it as a new disciplines autonomous worker, characterized for the scientific and methodological severity. Still, it defined with clarity the types of events on which the sociologist would have to support itself (the social facts). It is by means of this author who sociology was presented to the university, conferring to this disciplines its due academic recognition. The same objective in if conferring to sociology a scientific reputation it occurred in the figure of Max Weber. During all its intellectual life, insisted on establishing a clear distinction between the scientific knowledge, fruit of careful inquiry, and the judgments of value on the reality.
With this it desired to designate that a scientist did not have the right to possess, from its profession, preferences politics, religious or ideological. Beyond having elaborated works in diverse areas of the knowledge, its ideas regarding the paper of the methodology of the scientific research had been basic for the development of social sciences. Its writings had generated a methodological source (interpretative) and had inspired some chains of the sociological thought of century XX. The objective of this work is the quarrel of some of the methodological contributions of the related authors, from the following questionings: ) Which the main methodological contributions which Durkheim and Weber had brought to the development of sociology as science? b) Exist convergence points enter the positivist sociology of Durkheim and the interpretative sociology of Weber? c) It is possible to get a scientific neutrality in social sciences?