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…
Robert Toru Kiyosaki is an American businessman and author, known for the Rich Dad Poor Dad series of personal finance books. He is the founder of the Rich Dad Company, a private financial education c…
Dr. Robert Cialdini has spent his entire career researching the science of influence earning him an international reputation as an expert in the fields of persuasion, compliance, and negotiation.