Final answer:
Herbert Spencer was an English philosopher known for his contributions to sociology and the development of the theory of social Darwinism.
Step-by-step explanation:
Herbert Spencer was an English philosopher known for his contributions to sociology and the development of the theory of social Darwinism. He rejected the ideas of Karl Marx and Auguste Comte and instead advocated for a form of government that allowed market forces to control capitalism. Spencer's work had a significant influence on early sociologists like Émile Durkheim.