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.
Joseph Banks Sir Joseph Banks, 1st Baronet, {'1': ", '2': ", '3': ", '4': "} (24 February [O.S. 13 February] 1743 19 June 1820) was a British naturalist, botanist and patron of the natural sciences.