I attended a seminar featuring speaker Ross Roy, he was a great speaker. He spoke of the original and or first Chrysler and associated presented to the real automotive world. Hydraulic brakes that were actually engineered for safety, curved glass to escape during a collision limiting injury to occupants, tempered safety glass to replace plate glass, 1950 self energizing disc brakes, also a safety features. and so many more ... afterward he signed the personal Ross Roy books owned by the attendees. A great event I appreciate even more today.