Tells how radio and television became an integral part of American life, of how a toy became an industry and a force in politics, business, education, religion, and international affairs. This fascinating history tells how radio and television became an integral part of American life--a force in politics, business, education, religion, and international affairs. Erik Barnouw, now retired, was Chief of the Library of Congress's Motion Picture, Broadcasting, and recorded Sound Division, and long headed Columbia University's film division.