Nicolaus Copernicus (1473-1543) was an amazing man by the standards of any age. He was a physician, had a degree in law, spoke multiple languages, was a mathematician, translator, an officer of the church, administrator and governor of church lands, an economist and an astronomer.  With crude instruments (and no telescope) he observed the night sky.  And the data he collected told him that the … Continue reading A More Perfect Heaven: How Copernicus Revolutionized the Cosmos by Dava Sobel