David Pratt, author of The Impossible Takes Longer: The 1,000 Wisest Things Ever Said by Nobel Laureates, is Professor Emeritus at Queen's University, Kingston, Ontario, Canada. A passionate scholar who reads in several languages, he has assembled a collection of 8000 quotations from Nobel Prize Winners culled from their works. He also is the author JFK, Oswald, Cuba and The Mafia: A Chronological History which is a time-line of established facts about the assassination of President Kennedy. His conclusions based on the timeline differ from that of Warren Commission, but the details are there for reader to decide.