Alberto Rangel (1871–1945) was a prolific Brazilian writer who, as secretary of lands, mines, navigation, and colonization of the Amazonas State Government, recorded his experiences in the collections Inferno verde (1908) and Sombras n’água (1913). From 1907 to 1942, because of his adoption of anti-republican ideas, he lived in self-imposed exile in Europe during the two world wars, returning to Brazil in 1942.