Dale Carnegie

Dale Carnegie (1888–1955) was an American writer and lecturer, and the developer of famous courses in self-improvement, salesmanship, corporate training, public speaking, and interpersonal skills. Born into poverty on a farm in Missouri, Carnegie overcame his humble beginnings to become one of the most influential figures in the history of self-help literature. His most famous work, How to Win Friends and Influence People, first published in 1936, remains a timeless bestseller and a foundational text for personal and professional development. Carnegie's philosophy centered on the idea that success is achieved by mastering human relations, and his practical, easy-to-apply principles have shaped the careers and lives of millions worldwide.