The Contributors


Charles Crenshaw, M.D., F.A.C.S., of Fort Worth, Texas. Dr. Crenshaw assisted in emergency treatment of President Kennedy at Parkland Hospital and, two days later, of Lee Harvey Oswald. An account of his experiences has been published in JFK: Conspiracy of Silence. A former Professor of Clinical Surgery at Southwestern Medical School in Dallas, he is now Chairman Emeritus of the Department of Surgery at John Peter Smith Hospital of Ft. Worth.


James H. Fetzer, Ph.D., of Duluth, Minnesota. A graduate of Princeton, Dr. Fetzer received his Ph.D. in the history and philosophy of science from Indiana. A former officer in the Marine Corps, he has published widely on the nature of scientific reasoning and on the theoretical foundations of computer science, artificial intelligence, and cognitive science. He is currently McKnight University Professor at the University of Minnesota and teaches on its Duluth campus.


Ron Helper of Austin, Texas. A director of engineering in the cable industry, he has interests in aviation and waterskiing as well as in the assassination of John Fitzgerald Kennedy, which he has pursued since 1988.


Bradley Kizzia, J.D., of Dallas, Texas. A graduate of Austin College and of the Southern Methodist University School of Law, Mr. Kizzia has been admitted to practice before all of the U.S. District Courts in Texas, the U.S. Court of Appeals, Fifth Circuit, and the U.S. Supreme Court. He practices law in the State of Texas, where he specializes in general civil litigation.


Robert B. Livingston, M.D., of San Diego, California. Dr. Livingston is a graduate of Stanford who received his M.D. from the Stanford Medical School. A world authority on the human brain, he has held appointments at Stanford, Harvard, Yale, and UCLA, and founded the first ever Department of Neurosciences at UCSD, where he remains Professor Emeritus. Dr. Livingston was the Scientific Director of both the National Institutes for Mental Health and the National Institute for Neurological Diseases and Blindness in both the Eisenhower and Kennedy administrations. During World War II, he supervised the emergency treatments of injured Okinawans and Japanese prisoners of war during the battle of Okinawa.


David W. Mantik, M.D., Ph.D., of Rancho Mirage, California. Dr. Mantik received his Ph.D. in physics from Wisconsin and his M.D. from Michigan. He is board certified in radiation oncology and is on the staff of the Peter A. Lake, M.D., Center in Rancho Mirage, CA. He has repeatedly visited the National Archives to study the official X-rays and other autopsy materials and, more recently, the Zapruder film. Dr. Mantik resigned from the AMA in protest over the abuse of JAMA.


Chuck Marler of Riverside, California. A labor relations representative for San Bernardino who has an extensive interest in the Zapruder film, Chuck is also a founding member of Citizens for Truth about the Kennedy Assassination.


Mike Pincher, J.D., of Palmdale, California. A graduate of SUNY Albany who has a J.D. from the University of San Fernando Valley College of Law (now LaVerne), Mr. Pincher currently practices as a trial attorney within the Los Angeles area. He has a special interest in the Zapruder film.


Roy Schaeffer of Dayton, Ohio. Mr. Schaeffer is a long-time serious student of the Presidential limousine and related aspects of the assassination. He served a six-year apprenticeship in film development sponsored by the federal government from 1963 to 1969.


Jack White of Fort Worth, Texas. A leading expert on photographic aspects of the assassination of JFK, Mr. White produced The Continuing Inquiry for the celebrated investigator, Penn Jones, with whom he worked for three years. He served as an advisor on photographic evidence to the House Select Committee on Assassinations during its reinvestigation and to Oliver Stone in producing his motion picture, JFK.


Ronald F. White, Ph.D., of Cincinnati, Ohio. Dr. White holds the Ph.D. in history from the University of Kentucky. He has published numerous articles on the history and philosophy of medicine and science and is an associate producer at the College of Mount St. Joseph in Cincinnati.



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