Charles A. Crenshaw, M.D., a Texas native, was the Director and Chairman of the Department of Surgery of the Tarrant County Hospital District. Educated at Southern Methodist University, East Texas State University, Baylor University Graduate Research Institute, and the University of Texas Southwestern Medical School at Dallas, he interned at Veteran’s Administration Hospital and completed his residency at Dallas’s Parkland Memorial Hospital, where he worked for five years. He taught at UT Southwestern Medical School and served on the staffs of John Peter Smith Hospital and St. Joseph Hospital, both in Fort Worth, and Parkland Memorial Hospital. He was active in the Tarrant County Cancer Society and other organizations devoted to public health. Dr. Crenshaw was named Chairman Emeritus of the Department of Surgery of John Peter Smith Hospital, where he was a member of the teaching staff for 28 years. He was appointed to the Hospital's Board of Managers in 1998. He was honored with inclusion of numerous medical and professional societies.
Jens Hansen is a writer and petroleum land manager who earned a B.A. in history at Texas Tech University in Lubbock and did post-graduate work at North Texas State University.
J. Gary Shaw is a retired architect and a 45+ year researcher/critic of the JFK assassination investigation and conclusions. He is a former director of the JFK Assassination Information Center in Dallas and the Assassination Archives and Research Center in Washington. He is considered one of the world’s leading authorities on the John F. Kennedy assassination and is the author of a previous book on the subject, Cover Up: The Governmental Conspiracy to Conceal the Facts About the Public Execution of John Kennedy.