Ruth Glass was an important figure in recognising and challenging inequalities in 1950s London, and her ideas remains integral to urban research, planning, policy and debate today.

At any hour, London in 1963 shows the juxtaposition of new and old both in the fabric and in the structure of society.

Ruth Glass, London: Aspects of Change (1964: p. xiii-xiv)

One by one, many of the working-class quarters of London have been invaded by the middle classes – upper and lower... Once this process of ‘gentrification’ starts in a district it goes on rapidly until all or most of the original working-class occupiers are displaced and the whole social character of the district is changed.

Ruth Glass, London: Aspects of Change (1964)