Christopher Columbus was an Italian navigator and explorer whose life became inseparable from one of history's most consequential voyages across the Atlantic. Born in Genoa in the mid-fifteenth century, he spent his early life at sea, absorbing the practical skills of navigation, trade, and cartography that would shape his ambitions. After years of persistence, he won support from the Spanish crown and set out in 1492 on the expedition that brought sustained European contact with the Americas, followed by additional voyages that expanded knowledge of the Caribbean and mainland regions. His legacy is complex and enduring: he is remembered both as a daring mariner who helped transform global history and as a figure tied to conquest, exploitation, and the beginning of devastating change for Indigenous peoples. The writings associated with him, especially his letters, reveal a man driven by faith, ambition, self-justification, and an intense belief in providence, while also offering a vivid window into the age of exploration. Today, Columbus remains relevant because his life raises urgent questions about discovery, empire, cultural encounter, and how history is remembered. Readers interested in exploration, world history, and the moral complexities behind great historical turning points will find him especially compelling.