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100 Famous Inventors and Their Best Invention Ideas
for the U.S. Army for $25,000. 56. Lee De Forest Live broadcasting was made possible thanks to a vacuum tube called the Audion, invented by Lee De Forest in 1907. Since the Audion was more effective at
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Top 100 Famous Female Inventors in History & Modern Women Inventors
advances in the field of object-oriented programming contributed to numerous modern OOP-based operating systems and languages, including Java, Mac OS X, Visual Basic Net, and Objective-C. 15. Barbara McClintock