The contributions of Simmel, Tonnies, and human ecologists to the field of Urban Sociology

        What were the contributions of Simmel, Tonnies, and human ecologists to the field of Urban Sociology? Do you feel the observations of classical Urban Sociologists are still relevant today? Why? Has urban life changed enough to where there are aspects that are no longer relevant? Describe the ideas behind uneven development and the growth machine perspective. Apply both of these to local examples.