Dr. Helen Caldicott is an outspoken critic of nuclear weapons and the arms race. She's a paediatrician, co-founder and president emeritus of Physicians for Social Responsibility, founder of WAND — Women's Action for Nuclear Disarmament, and founding president of the Nuclear Policy Research Center. Dr. Caldicott is the author of Nuclear Madness and Missile Envy and she was featured in the Academy Award-winning film, If You Love This Planet.