Ffeil NLW MS 16602D. - Llanystumdwy chapel specification,

Sir Bertram Clough Williams-Ellis was an architect and creator of Portmeirion village, with interests ranging from architecture, landscaping and preservation of the countryside to landscaping of trunk roads and writing.
Clough Williams-Ellis was born on the 28th of May, 1883, and educated at Oundle and Trinity College, Cambridge. He began training as an architect in London but within three months left for his first commission.
His most famous project was Portmeirion village in North Wales, but other major works include Llangoed Castle; Oare House; Stowe School; Bishop's Stortford College Chapel; the Lloyd George Mausoleum, Museum, and Westminster Abbey Memorial; Rhiwlas; Voelas; Nantclwyd Hall and Dalton Hall. He was also involved in many lesser projects, including churches, schools, village halls and civic amenities, smaller houses, hotels, monuments and garden follies.
Sir Clough Williams-Ellis was a member of numerous committees, among them the National Parks Committee, National Trust Committee for Wales and the Trunk Road Advisory Committee. He was also the Vice-President of the Council for the Preservation of Rural Wales and a member of the Athenaeum Club in London.
A prolific writer, the following publications are but a few examples of his works: England and the Octopus (London, [1928]), The Architect (London, 1929), Town and Country Planning (1951), Portmeirion - the Place and its Meaning (London, [1963], Roads in the Landscape (1967), Architect Errant (London, 1971), and Around the World in Ninety Years (Portmeirion, 1978).
He died on the 8th of April, 1978.