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Olmsted's project for the Emerald Necklace in Boston was widely admired and led to the use of 'landscape architecture' as a professional title in Europe, initially by Patrick Geddes and Thomas Mawson.
Renowned landscape architect, Frederick Law Olmsted, the designer of a network of parks known as the "Emerald Necklace" in Boston, Central Park in New York, and idyllic greenspaces across the United States is given special acknowledgment in the preface of the published classification scheme, for having contributed many constructive suggestions.
Olmsted wanted the Emerald Necklace to continue via the Dorchesterway to the shore of Boston Harbor’s Dorchester Bay and thus form a "U" shape.