claim: Ding Yanyuhang is European.
evidence: Roger Grant -LRB- died 7 April 1724 -RRB- was an unqualified English quack oculist .. quack. Quackery. oculist. oculist. Grant , having lost an eye as a soldier in the German emperor 's service , set up as an oculist in Queen Anne 's reign in Mouse Alley , Wapping .. oculist. oculist. soldier. soldier. Queen Anne. Anne, Queen of Great Britain. Mouse Alley. Mouse Alley. Wapping. Wapping. He was appointed oculist to Anne and to George I , and acquired considerable wealth .. oculist. oculist. George I. George I of England. He is satirically referred to us ` putting out eyes with great success ' in No. 444 of The Spectator -LRB- 30 July 1712 -RRB- .. The Spectator. The Spectator ( 1711 ). A sheet describing his professed cures is in the British Museum Library , and also an Account of a Miraculous Cure of a Young Man in Newington , London , 1709 , written to discredit his pretensions .. British Museum Library. British Library. The pamphlet states that Grant was a Baptist preacher , had been a cobbler , and was illiterate .. Baptist. Baptist. preacher. preacher. cobbler. Shoemaking. illiterate. illiterate