Harriet Claire Wadeson Ph.D., LCSW, ATR-BC, HLM (January 9, 1931 – January 26, 2016) was a pioneer in the art therapy profession, as well as an accomplished author, researcher, and educator, who established and directed the Art Therapy Graduate Program at the University of Illinois at Chicago and the Art Therapy Certificate Program at Northwestern University where she taught up to her passing. She was the author of 8 books on art therapy and over 70 articles in professional journals. She was an international guest lecturer, and educator who has presented papers, led professional delegations, and conducted workshops in 14 countries throughout Europe and Asia.