The scholar Theodor Mommsen identified that author with Rufius Festus, proconsul of Achaea in 366, and both with Rufus Festus Avienus.
Theodor Mommsen stotožňuje tohoto Rufa Festa s Rufiom Festom, prokonzulom provincie Achaia roku 366 a zároveň aj s básnikom Rufom Festom Avienom.