"W. Heidenfeld" . "1981-08-03" . . . . "W." . . "Wolfgang"@en . "HEIDENFELD, Wolfgang, and DREYER (K.)" . "http://www.wikidata.org/entity/Q6581097" . "W. Heidenfeld" . "HEIDENFELD" . "1911-05-29" . "Wolfgang Heidenfeld"@en . "Heidenfeld"@en . . . . "and DREYER (K.) Wolfgang HEIDENFELD" . . .