I am wondering who people, like the Roman architects that designed the aqueducts and other engineering marvels, would pray to to make sure their designs were good and would work?

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    I am not sure that any such prayer would have taken place. If it did, I think Fortuna as likely as Vulcan. Religion was social & ritual, not devotional ( as fast as I know). Also, questions should be supported with prior research, including why the information on Wikipedia is insufficient.
    – MCW
    Commented Aug 17, 2022 at 17:30
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    This is (probably) on-topic here. However, this questions like this would likely get better responses on the Mythology site.
    – T.E.D.
    Commented Aug 17, 2022 at 18:27
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    @T.E.D. Or even the Latin site.
    – cmw
    Commented Aug 18, 2022 at 1:52
  • Is this question reserved to Ancient Rome?
    – Moritz
    Commented Aug 19, 2022 at 15:27

2 Answers 2


Vulcan was the Roman equivalent of the Greek Hephaestus (God of blacksmiths and fire) for engineering. And Minerva (Goddess of crafts and knowledge) was the Roman equivalent of Greek Athena for the science of architecture. Mercury was the Roman equivalent of Greek Hermes (God of travels) for transportation infrastructure? I guess. (Also in Greek culture we have many water body gods under Poseidon, similar expectation for the Roman Neptune. Further each large river, Lake or source of water has its own deity, so each aqueducts source of water would have a deity/ies.)


Probably Vulcan, god of fire and metalworking, among other things.

Minerva might have some influence over works of great intellect, but most Roman engineering tended to be done by rule of thumb, rather than calculation. The large safety margins this approach demanded are responsible for the survival of so much Roman construction to the present day.

  • References would greatly improve this answer. Much Roman engineering was military (akin to mechanical engineering today), where this claim is nonsensical, rather than civil. Commented Aug 24, 2022 at 15:59

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