. . "1958-02-12Z"^^ . . . "1897Z"^^ . . "British mathematician and physicist" . "Douglas Rayner Hartree"@en . . . . . . . "1897-03-27Z"^^ . "1958Z"^^ . . "Hartree, Douglas"@en . . . . "Douglas Rayner Hartree PhD, FRS (27 March 1897 \u2013 12 February 1958) was an English mathematician and physicist most famous for the development of numerical analysis and its application to the Hartree\u2013Fock equations of atomic physics and the construction of a differential analyser using Meccano."@en . .