Theory of Evolution Proponent: Auguste Comte

The thinker associated with propounding a theory related to evolution, particularly social evolution, among the given options is Auguste Comte.

Key Thinkers and Their Contributions

Understanding the major contributions of each thinker helps clarify the context:

• Auguste Comte: A key figure in sociology, he proposed the Law of Three Stages. This theory outlines the evolution of human thought and society through theological, metaphysical, and positive (scientific) phases. This represents a theory of social and intellectual evolution.
• G.W.F. Hegel: Known for his dialectical method and the concept of Geist (Spirit) developing through history. While he discussed historical progression, it's distinct from the general "theory of evolution."
• Karl Mannheim: Famous for developing the sociology of knowledge and analyzing concepts like ideology and utopia in relation to social structures.
• Karl Marx: Developed the theory of historical materialism, explaining societal development through economic stages and class conflict. While a theory of historical progression, it is specifically materialist and economic in focus.

Reasoning for Selection

Given the options and the common association of Auguste Comte with a theory describing stages of societal development (a form of evolution), he is the identified thinker. The question likely refers to his Law of Three Stages, a foundational concept in sociological thought regarding human intellectual and societal progression.