Thomas Erikson (born 1965) is a Swedish writer, social communication psychologist, behaviorist and personal trainer. He made his debut as a writer in 2011 with a crime series about behaviorist Alex King. Thomas wrote two popular science books about communication and human behavior - "Surrounded by idiots" and "Surrounded by psychopaths". "Surrounded by idiots" is a bestseller of 2015-2018. Thomas Erikson divides people into four color types. It describes the logic of behavior, temperament, value system of representatives of each of the colors. Why do we understand some people with half a word, and others we don't understand at all? Why do very successful people sometimes seem like idiots and psychopaths? How to look at yourself through the eyes of other people and learn to understand even those who are completely unlike us? The book helps to better perceive people with different types of behavior and effectively communicate with them and can become a table for leaders, psychologists, managers of all levels.