Thomas Emmett Duckworth, (born February 14, 1942) is an American acupuncturist, founder and director of the Natural Life Therapy Clinic (1980), founder and executive director of the Institute of American Acupuncture and Life Medicine, and an international teacher of Japanese-style acupuncture and the Kototama Principle. He has provided public and professional instruction in Mexico, California, New Mexico, Michigan, New Jersey, Pennsylvania, Oklahoma and throughout Missouri for the past 35 years.