Chapter 14 1/2Versión en línea US History por Wylie York 1 Group 1 2 Group 2 3 Group 3 4 Group 4 5 Group 5 6 Group 6 Invention of the Airplane Orville and Wilbur Wright Invention of the Electric Lightbulb Thomas Edison Invention of the Telephone Alexander Graham Bell “The Father of the Assembly Line” Henry Ford Made Skyscrapers Possible Invention of the Steel Owner of Standard Oil John D Rockefeller