As an ancient Roman hero and the god of medicine, Asclepius is one of the first healing figures in recorded history. Today we are reminded of him through the medical symbol of a staff with intertwined serpents. Hundreds of years later, German astronomer Johannes Kepler discovered three major laws of planetary motion. Detailed profiles of these and many other notable scientists are thoughtfully collected within these pages, and are supported by stunning photographs and images. Readers will be fascinated and inspired for years to come.