Timothy Allen Caulfield is a Canadian professor of law at the University of Alberta, the research director of its Health Law Institute, and current Canada Research Chair in Health Law and Policy. He specializes in legal, policy and ethical issues in medical research and its commercialization. In addition to professional publications, he is the author of several books aimed at the general reader and host of a television documentary series debunking pseudoscientific myths. He is a fellow of the Committee for Skeptical Inquiry and the Pierre Elliott Trudeau Foundation.

Deepak Chopra is an Indian-American author and alternative medicine advocate. A prominent figure in the New Age movement, his books and videos have made him one of the best-known and wealthiest figures in alternative medicine. His discussions of quantum healing have been characterized as technobabble – "incoherent babbling strewn with scientific terms" derided by those proficient in physics.