In the early 1960s there were virtually no laws covering car safety in the USA. Even seatbelts weren't compulsory. Then a campaigning young lawyer called Ralph Nader came along. He researched car accidents, and safety requirements in other countries. Then he published a book called 'Unsafe at Any Speed' - soon the law changed.Photo: Ralph Nader (R) examines a wrecked car in a crash test facility. Credit: Reuters.