Georg Simmel was a German sociologist and philosopher born in 1858. He is best known for his work on social interaction and the nature of modern society. Simmel's ideas emphasized the importance of individual experiences and the complexities of social relationships, making significant contributions to the fields of sociology and cultural studies. Simmel's most notable works include The Philosophy of Money and The Metropolis and Mental Life, where he explored how urban life affects human behavior and social connections. His theories laid the groundwork for later sociological thought, influencing figures like Max Weber and Erving Goffman.