The panel includes representatives of the American Medical Association, the American Cancer Society, the American Lung Association, the American Heart Association, the American Academy of Pediatrics and the American Academy of Family Physicians as well as several anti-smoking groups. It is headed by Dr. C. Everett Koop, a former surgeon general, and Dr. David A. Kessler, a former head of the Food and Drug Administration, both prominent in the public health field.