. . "Fredrik" . . . "Gustaf" . "1852-08-29" . . . "G." . "http://www.wikidata.org/entity/Q6581097" . "G. Ekman"@it-VA . "Fredrik Gustaf Ekman" . . "Gustaf Ekman"@sv-SE . "Ekman" . "Gustaf" . "svensk kemist, hydrograf och industriman (1852–1930)" . . "1930-02-26" .