Science and the military converged under a cloak of secrecy at Los Alamos National Laboratory. As part of the Manhattan Project, Los Alamos — both its very existence and the work that went on there — was kept from Americans during World War II.
Many of the thousands of scientists on the project were not officially aware of what they were working on. Though they were not permitted to talk to anyone about their work, including each other, by 1945 some had figured out that they were in fact building an atomic bomb.
His stunning triumph at the 1936 Olympic Games captivated the world even as it infuriated the Nazis. Premiering May 1.
American comandante William Morgan went to Cuba to help Fidel Castro return the country to a democracy. Instead, four years later, he was executed.
"The Wizard of Menlo Park," Inventor Thomas Edison, built the first practical light bulb and revolutionized the world.
Engineer James Eads tamed the mighty Mississippi, turning New Orleans into the second largest port in the nation.
The international race to develop biological weapons during the 20th century.
Today one of the most-recognized figures in American literary history, poet Walt Whitman was denounced by critics in his own time.
During World War II, more than a thousand women signed up to fly with the U.S. military as WASPS.
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.