Oliver Napoleon Hill was an American self-help author and conman. He is best known for his book Think and Grow Rich (1937), which is among the best-selling self-help books of all time. Hill's works in…
Dale Carnegie was an American writer and teacher of courses in self-improvement, salesmanship, corporate training, public speaking, and interpersonal skills. Born into poverty on a farm in Missouri, h…
Robin Sharma is one of the world’s premier thinkers on leadership, personal growth and life management. The bestselling author of The Monk Who Sold His Ferrari, Who Will Cry When You Die? and The Sain…
