Why is Emile Durkheim called the key classical theorists in Sociology ?

Emile Durkheim’s position in Sociology :

1. Along with Karl Marx and Max Weber, the French sociologist Emile Durkheim is one of the key classical theorists in Sociology. He is best known for founding Sociology as a scientific discipline and for defining the boundaries of its subject matter.

2. Emile Durkheim was the author of some of the most programmatic statements about what sociology was and how it should be done. Emile Durkheim’s key theoretical statement lies in his claim that social phenomena are realities that can only be explained by other social facts.