Ernest Gellner was a British philosopher and social anthropologist, born in 1925 in Paris and passing away in 1995. He is best known for his work on nationalism, where he argued that nationalism is a modern phenomenon closely linked to the rise of industrial society. Gellner's ideas have influenced various fields, including sociology and political science. Gellner's most notable works include Nations and Nationalism and Thought and Change. He emphasized the importance of culture and language in shaping national identity. His theories continue to be relevant in discussions about the nature of nations and the impact of modernity on social structures.