Volume 1: Printing and Johannes Gutenberg ; The steam engine and James Watt ; Mass transportation: Fitch, Fulton, Stevens, and Trevithick ; Food preservation and Nicholas François Appert ; The reaper and Cyrus McCormick ; Telegraphy: Morse and Marconi ; The sewing machine: Hunt, Howe, and Singer ; The telephone and Alexander Graham Bell ; Internal combustion engine : Otto and Diesel ; Electric power: Edison, Westinghouse, Tesla, and Stanley ; Vaccination and Louis Pasteur
Volume 2: Affordable automobiles and Henry Ford ; The airplane and the Wright Brothers ; Radio: Fessenden, de Forest, and Armstrong ; Penicillin and Alexander Fleming ; Television and Philo Farnsworth ; Jet engines: Hans von Ohain and Frank Whittle ; Nylon and Wallace Carothers ; Nuclear reactor and Enrico Fermi ; Transistors: John Bardeen, William Shockley, and Walter Brattain ; Integrated circuits, microprocessors, and computers: Jack Kilby and Steve Wozniak ; Satellite communications and John R. Pierce ; Software and Bill Gates ; The Internet and the World Wide Web: Kleinrock, Baran, Kahn, Cerf, and Berners-Lee.
