I remember reading some library quaternion code (sorry can't remember which library) that started out with a lovely quote from Hamilton on how the idea burst in

I remember reading some library quaternion code (sorry can't remember which library) that started out with a lovely quote from Hamilton on how the idea burst into his mind in a flash as he walked with his wife near the river Liffey I think it was in Dublin. So I guess they mentioned it, at least indirectly.