Dr. Roy Scott Hickman is an internationally acclaimed mechanical engineer. He is professor emeritus from University of California at Santa Barbara where he taught fluid mechanics, design and dynamics for thirty years. During his forty-year career he has been a consultant in over 2,500 accident cases. He is a member of ABYC, ASME, NSPE, and a fellow in the National Academy of Forensic Engineers.
Paul F. Hill, Esq. is a retired law school librarian from the Creighton University School of Law, Omaha, Nebraska. He has coauthored books published by Lawyers & Judges covering litigation on bicycle, motorcycle, pedestrian, bus, recreational vehicle and electrical accidents. He is a graduate of Kenyon College, State University of New York at Albany, and has his J.D. from Capital University. His research specialty is bicycle and motorcycle law. Hill has ridden both bicycles and motorcycles extensively, having owned Beneli, BSA, Honda, Kawasaki, and Harley-Davidson motorcycles. Hill was the author of the Nebraska Legal Research and Reference Manual (1983), and co-author of Bicycle Accident Reconstruction and Litigation (1996), published by Lawyers & Judges Publishing Co. and Mitchie's Research Guide to Nebraska Law (1995).