Lecture 9 Technology in America

Early 19th Century Eli Whitney – invention of the cotton gin John H. Hall – American system of production Cyrus H. McCormick – invention of mechanical reaper The Stevens Family – improving railroads and transportation Samuel F.B. Morse – invention of telegraph code Alexander Graham Bell – invention of telephone

Late 19th Century Thomas A. Edison – invention of the system of motion picture, the phonograph, the electric bulb. He was called “The Wizard of Menlo Park”.

Late 19th Century Frederick Winslow Taylor – Scientific Management

Late 19th Century Henry Ford – the Assembly Line

Early 20th Century Lee De Forest – invention of vacuum tube

Early 20th Century David Sarnoff - pioneer of American commercial radio and television. He founded the National Broadcasting Company (NBC).

Mid-20th Century A great change in household technologies: the refrigerator, the freezer, home oil furnaces, automatic laundry machine, vacuum cleaners, electric dishwashers, microwave oven, the electric blender, the food processor, and so on…

Late 20th Century The Age of Visual Information had arrived! The invention of television marked the beginning of “The Age of Visual Information”, and people were turning into “couch potatoes”.

Late 20th Century Military development: Radar, Nuclear energy, Rocketry, Atomic bomb, And so on…

Late 20th Century Steve Jobs – invention of personal computer (PC), founder of the Apple Company

Late 20th Century Bill Gates – invention of a Disc Operating System (DOS), founder of Microsoft