Part 2—Sniffer Squads on the Odour Trail: Smog in Frankfurt The fog phenomenon seen, and smelled, in London in the late 1800s had still not been eradicated by the midpoint of the next century. On the night of 22 January 1957, mysterious events occurred in Frankfurt am Main that were similar to those in Victorian … Continue reading From London Fog to Frankfurt Smog: Sensing Anthropogenic Weather Conditions from a Transurban Perspective in the Nineteenth and Twentieth Centuries