"1916Z"^^ . "Virginia Heinlein"@en . . "American scientist" . . . . "Virginia \"Ginny\" Heinlein (April 22, 1916 \u2013 January 18, 2003), born Virginia Doris Gerstenfeld, was a chemist, biochemist, engineer, and the third wife of Robert A. Heinlein, a prominent and successful author once known as one of the \"Big Three\" of science fiction (along with Isaac Asimov and Arthur C. Clarke)."@en . . . . "2003-01-18Z"^^ . . "Heinlein, Virginia"@en . "2003Z"^^ . "1916-04-22Z"^^ . . . . . "Virginia Doris Gerstenfeld"@en .