When was the  Anglo-Irish physician, naturalist and collector died who's niece recovered from spinal deformity due to Sarah "Crazy Sally" Mapp?
Hans Sloane Sir Hans Sloane, 1st Baronet, PRS (16 April 1660 – 11 January 1753) was an Anglo-Irish physician, naturalist and collector noted for bequeathing his collection to the British nation, thus providing the foundation of the British Museum.
Fanny Talbot Fanny Talbot (née) Browne (1824–1917) was a landowner and philanthropist, and a friend and correspondent of the influential art critic John Ruskin. She is noted for donating the first property—4.5 acres of land known as Cliff of Light ("Dinas Oleu" in Welsh), at Barmouth, Gwynedd—to the National Trust.