What pair of authors used themes and characters from a fairy tale published in 1812?
Snow White "Snow White" is a 19th-century German fairy tale which is today known widely across the Western world. The Brothers Grimm published it in 1812 in the first edition of their collection "Grimms' Fairy Tales". It was titled in German: Sneewittchen (in modern orthography "Schneewittchen") and numbered as Tale 53. The name "Sneewittchen" was Low German and in the first version it was translated with "Schneeweißchen". The Grimms completed their final revision of the story in 1854.
Niels and the Giants Niels and the Giants is a Danish fairy tale. Andrew Lang included it in "The Crimson Fairy Book".