Lady Bird Johnson (seen here second from the left), wife of President Lyndon B. Johnson, visited Southwestern Medical School on March 9, 1971. In this photo, she and her group are visiting the Parkland Memorial Hospital Surgery Department Trauma Unit, where Dr. G. Thomas Shires (on the left), Professor and Chairman of Surgery, is speaking. Dr. Charles C. Sprague, Dean of Southwestern Medical School, is fourth from the left.