Marx, puts forward the theory that Cicero and the Auctor have not produced original works, but have merely given the substance of two r xvai (both emanating from the Rhodian school); that neither used the 'r xvat directly, but reproduced the revised version of the rhetoricians whose school they attended, the introductions alone being their own work; that the lectures on which the Ciceronian treatise was based were delivered before the lectures attended by the Auctor.
So about the year 440 the Gaulish poet Orientius wrote of Christ; Piscis natus aquis, auctor baptismatis ipse est.
Three views were held: that the Auctor copied from Cicero; that they were independent of each other, parallelisms being due to their having been taught by the same rhetorician at Rome; that Cicero made extracts from the Rhetorica, as well as from other authorities, in his usual eclectic fashion.
Herennius and generally known under the title of Auctor ad Herennium.
Jerome, Priscian and others attributed the work to Cicero (whose De inventione was called Rhetorica prima, the Auctor ad Herennium, Rhetorica secunda), while the claims of L.