Our colleague Andrew Behan, tracked this down to "West Hampstead Amenity and Transport".
January 2024: John Davis provided this link to the organisation: "WHAT started in 1973 as a protest against traffic schemes that would have turned some of our local streets into major through roads."
This section lists the memorials created by the subject on this page:
West Hampstead Amenity & Transport (WHAT)
We discovered the plaque through the Stationmaster app. This is rather sad. ...
The Society of St. John the Evangelist, popularly known as the Cowley Fathers.
Founded by Elizabeth Finn, now called Elizabeth Finn Care.
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