Whakaotihia te rerenga e whai ake nei: I whanau ia i Braşov ("Kronstadt", "Brassó"), Transylvania, Kingdom of Hungary, inaianei ko Romania, i ako ia i te Whare Wananga o Vienna i waenga i te 1520 me te 1525, ka mutu me te taitara "magister artium". I te whakatata o nga Ottoman ki Vienna i te 1529 ("tirohia
Siege of Vienna"), I neke tuatahi a Honter ki Regensburg, a, i te 1530, i rehitatia ia ki te Whare Wananga o Jagiellonian o Kraków (i Polani) hei "Johannes Georgii de Corona, artium magister Viennensis" (Corona he reo Latina o te wa o mua mo Braşov). I Kraków i whakaputaina e ia ana pukapuka tuatahi, he pukapuka wetereo Latina me te cosmography.