Massimo Lo Jacono was an Italian science fiction and fantasy writer born in 1937. In 1963 he was one of the editors of the science fiction magazine Futuro. In the first issue of the magazine he published the story L'ultima finzione di Basilide under an pseudonym. The story was greatly appreciated by Argentine writer Juan Rodolfo Wilcock, who determined to show it to Jorge Luis Borges.

Lo Jacono was an active force in the science fiction field mostly in the 1960s: apart from those published in Futuro, his stories appeared, often under the aliases Megàlos Diékonos and M. J. Mauritius, in Galaxy and Oltre il Cielo, in the anthologies Interplanet, and in various newspapers.