Howard Dully discusses the lobotomy that Walter Freeman performed on him when he was 12.
Robert Noyce's invention of the microchip launched the world into the Information Age.
During World War II, more than a thousand women signed up to fly with the U.S. military as WASPS.
George Eastman introduced the Kodak and Brownie camera systems and transformed photography into something anybody could do.
The most daring and innovative accomplishment at the turn of the 20th century.
Equipment failure, human error and bad luck led to the country's worst nuclear accident in 1979.
The Pennsylvania Railroad Company accomplished an enormous engineering feat, but destroyed a great architectural monument.
"The Wizard of Menlo Park," Inventor Thomas Edison, built the first practical light bulb and revolutionized the world.
During the Great Depression, Americans built the Hoover Dam, one of the greatest engineering works in history.