Lewis Hanke (1905–1993) was an American historian of colonial Latin America, and is best known for his writings on the Spanish conquest of Latin America. Hanke, along with two others, Irving A. Leonard and , presented a revisionist narrative of colonial history that focused on the role of Bartolomé de las Casas, who famously advocated for the rights of Native Americans, and searched for just resolutions to the tensions between the conquistadores and the natives during the colonial period of Spanish rule. Hanke's writings documented Las Casas' work as a political activist, historian, political theorist, and anthropologist. His scholarship also uncovered evidence to support Hanke's claim that Las Casas did not act as the sole voice of conscience during the colonial era, but actually constitu