2 Quotes & Sayings By Robert Plutchik
Robert Plutchik is a child psychiatrist who has concentrated on the psychology of children since the 1950s. He is the author of many books, including The Wheel of Life, the bestseller The Colors of Life, and The Complete Guide to Personality Types. Dr. Plutchik has conducted over three million hours of research on children's development, emotions, and personality
He is currently working on a book with his son, David E. Plutchik, on the four main types of children's personalities.