Andreas Osiander

Andreas Osiander was a German theologian and reformer, notable for his role in the publication of Copernicus's 'De revolutionibus orbium coelestium'. He controversially added an anonymous preface to the work, which suggested that Copernicus's heliocentric model was merely a mathematical tool rather than a literal truth, thereby diluting its revolutionary implications. His intention was to protect the work from potential ecclesiastical backlash, but this preface ultimately misled readers and stunted the acceptance of the heliocentric theory for centuries.