Robert Noyce's invention of the microchip launched the world into the Information Age.
George Eastman introduced the Kodak and Brownie camera systems and transformed photography into something anybody could do.
The Pennsylvania Railroad Company accomplished an enormous engineering feat, but destroyed a great architectural monument.
The U.S. and the Soviet Union race to build the hydrogen bomb during the Cold War, thus beginning the nuclear arms race.
During World War II, more than a thousand women signed up to fly with the U.S. military as WASPS.
Though first seen only as an expensive luxury, Alexander Graham Bell's telephone soon transformed American life and became a necessity.
Politics, culture, race relations, and technology in a year of change.
"The Wizard of Menlo Park," Inventor Thomas Edison, built the first practical light bulb and revolutionized the world.