Guillermo Cabrera Infante and O. Henry, share which occupational  industry?
Guillermo Cabrera Infante: Guillermo Cabrera Infante (] ; Gibara, 22 April 1929 – 21 February 2005) was a Cuban novelist, essayist, translator, screenwriter, and critic; in the 1950s he used the pseudonym G. Caín. O. Henry: William Sydney Porter (September 11, 1862 – June 5, 1910), known by his pen name O. Henry, was an American short story writer.
writer