Before revision: The author Nicholas Whittaker has asserted that the post-war trainspotter was typically a working-class youth in contrast to the middle-classes who had typically taken an interest in railways prior to WWII.
After revision: The author Nicholas Whittaker has asserted that the post-war trainspotter was often a working-class youth in contrast to the middle-classes who had typically taken an interest in railways prior to WWII.