Johanna Louise Spyri (12 June 1827 - 7 July 1901) was a Swiss author of novels, notably children's stories. She wrote the popular book Heidi. Born in Hirzel, a rural area in the canton of Zürich, as a child she spent several summers near Chur in Graubünden, the setting she later would use in her novels.Source: https: //en.wikipedia.org/wiki/Johanna_Spyri
