The Meaning of It All: Thoughts of a Citizen Scientist is a non-fiction book by the Nobel Prize-winning physicist Richard Feynman. It is a collection of three previously unpublished public lectures given by Feynman in 1963. The book was first published in hardcover in 1998, ten years after Feynman's death, by Addison–Wesley. Several paperback and audiobook editions of the book have subsequently been published.The Meaning of It All is non-technical book in which Feynman investigates the relationship between science and society. Source: Wikipedia (en)