John Field 1527-1587 was born in Ardsley to the SW of Leeds) in the West Riding, an astronomer who seems to be missed of many people’s radar. His describes himself as being a farmer, and sometimes student in the mathematic sciences. Yet this farmer would become a trail blazer and was the first person to publish an ephemeris or movements of the stars and planets in England that was based on the Copernican theory. John Field was known as the proto Copernican of England.