The ‘Academy’ buildings generate a relatively small proportion of the 190 different ancillaries: the Chirurgeon, the Doctor, the Geographer, the Historian, the Librarian, the Mathematician, the Philosopher, the Scribe, and (conditionally on other buildings) the two Freeman Clerks, the Geomancer, the Geometer, the Military Engineer, and the Mining Engineer. In addition, the academies educate the 42 ‘named’ ancillaries (such as Archimedes, Livy, Ariston of Cyrene), who can only appear in your retinue during the years of their historical lifetime. Contrary to belief in some circles, the Academies have no influence on traits at all.
Very modestly quoted from this treatise here........
To the best of my knowledge, the Academies have no other influence on traits, loyalty, income or anything else. I can't speak for the hardcoding, but I think it's pretty unlikely.
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