William Tyler Jarvis (October 19, 1935 – March 1, 2016) was an American health educator and skeptic.
Jarvis graduated from University of Minnesota, University of Minnesota Duluth and Kent State University. In 1973, he obtained a PhD in health education from the University of Oregon.[1] He was professor of preventive medicine at Loma Linda University.[2][3]
In 1976, Jarvis cofounded the National Council Against Health Fraud and was president from 1977 until his retirement in 2000. He was an adviser to the American Council on Science and Health.[2] He was a noted critic of alternative medicine and was known for exposing quackery.[2] He described chiropractic as "the most significant nonscientific health-care delivery system in the United States."[1]
Jarvis was a scientific consultant for the Committee for Skeptical Inquiry and a charter member of the Council for Scientific Medicine.[1]