. . "Greiling, Walter"@en . "1986Z"^^ . "German chemist and futurologist" . . . . "1900-09-05Z"^^ . "1900Z"^^ . "Grey, Walt; Greiling, W.; Grey, Walter"@en . . "Walter Greiling (5 September 1900 \u2013 1986, Neu-Isenburg) was a German chemist and futurologist. He sometimes used the pseudonym Walt Grey."@en . . . . "Walter Greiling"@en .