Rhonda Byrne

Rhonda Byrne's greatest achievement lies in the sheer reach of her message. The Secret has been translated into over 50 languages and has sold more than 30 million copies, making it one of the best-selling self-help books of all time. She has been credited with popularizing the law of attraction in the 21st century, and her work has inspired countless spin-offs, courses, and communities. While she may not have a shelf full of trophies, her influence on the self-help industry is undeniable.