George Eastman introduced the Kodak and Brownie camera systems and transformed photography into something anybody could do.
Major Walter Reed's discovery in 1900 that mosquitoes spread yellow fever halted an outbreak and led to the disease's eventual eradication.
While the U.N. debated strategies for control of atomic energy, the U.S. Navy was preparing for nuclear tests on Bikini Island.
A uniquely impressionistic history of the early years of the Space Race.
Engineered by William Barclay Parsons, the 21-mile, four-track route of the New York City Subway was the largest public works project in history.
A Utah farm boy builds a prototype for a television, but is thwarted by movie studio executives wanting to control the technology.
The U.S. and the Soviet Union race to build the hydrogen bomb during the Cold War, thus beginning the nuclear arms race.