. . "1950Z"^^ . "Sir Herbert Atkinson Barker (21 April 1869 \u2013 21 July 1950) was an English manipulative surgeon. He developed a highly successful technique, specialising in knee and other damaged joints both in the top sportsmen and the general public. He advocated the avoidance of surgery. However, his methods were never formally approved by the medical establishment."@en . "1950-07-21Z"^^ . "Barker, Herbert Atkinson"@en . . . "1869Z"^^ . . "Herbert Atkinson Barker"@en . "British surgeon" . "1869-04-21Z"^^ .