<Tr> <Th> Socialism </Th> </Tr> <Tr> <Td> Development (show) <Ul> <Li> History of socialism </Li> <Li> Socialist calculation debate </Li> <Li> Socialist economics </Li> </Ul> </Td> </Tr> <Ul> <Li> History of socialism </Li> <Li> Socialist calculation debate </Li> <Li> Socialist economics </Li> </Ul> <Li> History of socialism </Li>

Who is the philosopher associated with the concept of socialism