Henri Sain-Simon (1760-1825) He based his ideas on the assumption that the law of human behavior could be determined in the same manner that the law of nature had been arrived at by natural scientist.
Auguste Comte (1978-1857) He advocated the idea of “positivism” or the use of empirical investigation to understand society and social phenomenon
Herbert Spencer (1830-1903) Scientist who argued that human societies go through an evolutionary process and who coined the concept “survival of the fittest”
Karl Marx (1818-1883) He believed that the misery and exploitation of the working lower classes in society was caused by capitalism the existing industrial order.
Emil Durkheim (1858-1917) He focused on the characteristics of social groups, particularly the cohesion or non-cohesion of religious groups.
Max Weber (1864-1920) His works dwelt on the significance of subjective meanings people give to their interactions with others.