Explanation:

- Hegel

- Considered the philosopher most associated with the dialectical method.

- His works focus on the evolution and development of ideas through contradictions and resolutions.

- Known for the concept of the dialectic triad: thesis, antithesis, and synthesis.

- Emphasized how ideas evolve in a dialectical process.

- Correct Answer

- Ferguson

- Known for his work on the history of society and civilization.

- Did not explicitly use dialectics in the same way Hegel did.

- Saint Simon

- An early socialist thinker interested in society's progress.

- Did not develop a dialectical approach to the study of ideas.

- Comte

- Founder of positivism, emphasizing scientific approaches to society.

- Did not use dialectical methods; focused on empirical and scientific study.