genius programmer

Is there such a thing as a genius programmer? I wonder what would make somebody qualify as one. Programming a fully functional and usable OS on your own that outclasses the BSDs and linux within a short time?

genius ~ii, m. [GIGNO; cf. OHG chunni, AS. cynn]

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It fucking says to use genii for plural, like in apparati, using the Latin declensions. Look in particularly the Origin:
http://oxforddictionaries.com/us/definition/american_english/genius?q=genius

Which is what >>3 was joking about, a guardian spirit in programs.