Richard Carlson (1961 – 2006) was an American author, psychotherapist, and motivational speaker. His 1997 book, "Don’t Sweat the Small Stuff...and it’s all Small Stuff" was on the USA Today's and New York Times Best Seller lists. He wrote 20 books. He received his bachelor's degree from Pepperdine University and his PhD. from Sierra University. He was considered one of the foremost experts in happiness and stress reduction around the world. Carlson died suddenly from a pulmonary embolism during a flight from San Francisco to New York. He was married to Kristine Carlson. More