1. Stone tools, by Homo habilis some 2 million years ago
2. Dageurreotype (the first successful photograph), by Louis-Jacques-Mandé Daguerre in 1839
3. Saxophone (combining a reed mouthpiece with a brass bell), by Antoine-Joseph Sax in 1842
4. Bessemer process ( made steel cheap and plentiful), by Henry Bessemer in 1856
5. Celluloid (the first plastic), by John Wesley Hyatt in 1870
6. Edison cylinder phonograph (brought music to the masses), by Thomas Alva Edison in 1877
7. Wright flyer of 1903 (showed flight could be controlled), by Wilbur and Orville Wright in 1903
8. Iconoscope television camera and Kinescope receiver (made electronic television possible), by Vladimir Kosma Zworykin in the 1920s
9. Integrated circuit (made modern electronics possible), by Jack Kilby in 1958
10. Apple II personal computer (started the PC revolution), by Stephen Wozniak in 1977
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