Great Inventions

Nine remarkable men produced inventions that changed the world. The printing press, the telephone, powered flight, recording, and other innovations have made the modern world what it is. But who had these ideas and made realities of them? As David Angus explains, they were very different: quiet, boisterous, confident, or withdrawn. But all had a moment of vision that they combined with single-minded determination to battle through numerous obstacles and produce something that really worked.

One thing that hasn't changed much at all in the last 10,000 years is the human brain. The relentless curiosity of the human mind, combined with our ability to solve problems, has resulted in huge innovation and change. Here, then, are some of the most revolutionary ideas of the last 300 years.

The spectacular story of America’s hundredth birthday bash—the country's first world's fair and a moment of reckoning for a nation barrelling toward the Gilded Age “Those who were there felt that the wheel of history itself had turned before their eyes.” Held at Fairmount Park, in...