Greatest Inventions Guests: Edward Tenner Author, When Things Bite Back: Technology and the Revenge of Unintended Consequences (Vintage Books, 1997) Visiting Researcher, Department of Geosciences Princeton University Princeton, New Jersey The computer... Antibiotics... The assembly line... Synthetic rubber... What are your picks for the most important inventions of the past century? It's a search for the greatest things before, and since, sliced bread, which, by the way, was first perfected in 1928 by Otto Frederick Rohwedder. Join us for a look back at the history of invention.