Joachim Vadianus (born Joachim von Watte)
Back to people overviewA Swiss humanist, and city physician and mayor of St Gallen. Vadianus oversaw the town's conversion to Protestantism during the Reformation. He wrote on a wide range of subjects, including history, literature and theology, and produced a world atlas, the 'Epitome Trium Terrae Partium'. This was his best-known work, although in the field of geography he also wrote a commentary for Pomponius Mela's 'De Situ Orbis'.
![Black and white portrait of Joachim Vadianus, a man, wearing dark robes and a hat. Text at the bottom of the image reads: Ioachimus Vadianus.](https://cdn.sanity.io/images/foan2pfl/production/a356a130d978d96635115e6db2863ed0e4e365cf-230x369.jpg?w=3840&q=85&auto=format)