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.
Thomas Peel Dunhill Sir Thomas Peel Dunhill {'1': ", '2': ", '3': ", '4': "} (3 December 1876 – 22 December 1957) was an Australian thyroid surgeon and Physician to the Queen of the United Kingdom.