We don't think this is connected to the Jamestown Foundation based in Washington DC. We think it must be/have been a group interested in promoting the history of the early settlement of America.
This section lists the memorials created by the subject on this page:
Jamestown Foundation of the Commonwealth of Virginia
Creations Information
Captain John Smith
{On the front of the plinth:} Captain John Smith, citizen and cordwainer, 15...
Other Subjects
Pennant's London
Pennant's London is a book about London published in the early 1800s. The Picture Source website does not make it clear that our picture is from Pennant's London, but it is such an apposite picture...
Kew Society
Originally founded as the Kew Union. It seeks to enhance the beauty of Kew and preserve its heritage. It reviews all planning applications in Kew, with special regard to the architectural integrity...
Henry Hallam
Historian best known for his books on European history and English constitutional history.
Japan-British Culture Memorial Club
We can find no information about this group so we guess it was short-lived and dis-banded once the memorial was unveiled.