The one person I would select would be Napoleon Hill, I read his book Think and Grow Rich while I was stationed in Viet Nam in 1966. This led me on a life journey through the school of "Positive Mental Attitude". I continued to read hundreds of books and listened to as many audio tapes as I could get my hands on. Napoleon Hill was always my "go to" guy when things weren't going exactly as planned. Thankfully, I have had a long and successful business career, so I believe that positive reinforcement played a major factor in my life.