"1912-03-20Z"^^ . "Harry Fitch Klinefelter, Jr. (/\u02C8kla\u026Anf\u025Blt\u0259r/; March 20, 1912 \u2013 February 20, 1990) was an American rheumatologist and endocrinologist. Klinefelter syndrome is named after him."@en . . "Harry Klinefelter"@en . "endocrinologist" . . . "1990-02-20Z"^^ . . "1912Z"^^ . . "1990Z"^^ . "Klinefelter, Harry"@en . .