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…
Malcolm Timothy Gladwell is a Canadian journalist, author, and public speaker. He has been a staff writer for The New Yorker since 1996. He has published seven books. He is also the host of the podcas…
Viktor Emil Frankl was an Austrian neurologist, psychologist, philosopher, and Holocaust survivor, who founded logotherapy, a school of psychotherapy that describes a search for a life's meaning as th…