In this capacity, he published several articles in journals serving arbitrators and expert legal consultants from the International Civil Aviation Organization.
Arango began his career as a realist writer, but later devoted himself to the genre of science fiction.
He was one of the three founding fathers of modern sci-fi in Cuba along with Oscar Hurtado (1919-1977) and Miguel Collazo (1936-1999).
which, along with The Dead City Korad by Hurtado and The Fantastic Book of Oaj by Collazo, marked the creation of the sci-fi genre in Cuba.
This novel inaugurated a series that includes Situation (1984) and Sider (1994), in which the author explored a basic premise – in his words, to "contemplate, albeit hypothetically, the process of the truth in a more advanced stage of civilization".