La maggior parte degli studiosi<ref>Tra questi gli iranisti italiani [[Gherardo Gnoli]] e [[Arnaldo Alberti]], il francese [[Jacques Duchesne-Guillemin]] e lo statunitense [[Jamsheed K. ChoskyChoksy]] {{q|However, analyses of compositional style and structure indicate that the Gathas were the product of a single devotional poet named Zarathushtra (Possessor of Old Camels) who ensured that memory of him was perpetuated through self-references within his compositions|[[Jamsheed K. ChoskyChoksy]]. ''Encyclopedia of Religion''. NY, Macmillan, 2005, pag. 9988}}.</ref> attribuisce la redazione delle ''gāthā'' alla figura storica di [[Zarathuštra]], altri<ref>Tra gli studioso che mettono in dubbio l'attribuzione a Zarathuštra delle ''gāthā'' segnaliamo l'iranista francese [[Jean Kellens]] (1944-).</ref> formulano dei dubbi al riguardo<ref>{{q| These are the Gathas (songs), five in number, to which modern scholarship has now added a few prayers and a short ritual prose text, all written in the same archaic dialect. These texts have now been recognized as the only possible source of information for the earliest period of Zoroastrianism. They are attributed to Zarathushtra himself by many scholars, but others have voiced doubts about the historicity of Zarathushtra or about the possibility of gaining accurate knowledge about him from these texts.|[[Albert de Jong]]. ''Encyclopedia of Religion'' vol. 14. NY, MacMillan, 2005, pag. 9935}}</ref>.
Così [[Gherardo Gnoli]] riassume le ragioni della loro attribuzione al profeta iranico:
