Clifton, Donald O.

Donald O. Clifton, Ph.D., (1924-2003) was past chairman of The Gallup Organization and coauthor of the national bestseller Now, Discover Your Strengths and other books. He was named the Grandfather of Positive Psychology and the Father of Strengths Psychology by the American Psychological Association. He is survived by his wife Shirley, four children, and nine grandchildren.