Discover the fascinating story of Elizebeth Smith Friedman, the groundbreaking cryptanalyst who helped bring down gangsters and break up a Nazi spy ring in South America. Her work helped lay the foundation for modern codebreaking today.
Explore the lives and legacies of three African American ambassadors who broke racial barriers to reach high-ranking appointments in the Truman, Eisenhower and Kennedy administrations and left a lasting impact on the Foreign Service.
In the summer of 1910, hundreds of wildfires raged across the Northern Rockies. By the time it was all over, more than three million acres had burned and at least 78 firefighters were dead. It was the largest fire in American history.
Charles R. Knight (1874-1953) was one of the first American painters to depict dinosaurs, providing imaginative and largely scientifically based renditions of the extinct beasts in real-world settings.
Clark spends three weeks at Big Bone Lick in America's first organized vertebra paleontology expedition. He uncovers a significant cache of bones of creatures presumably drawn to the area by a salt lick.
Othniel Charles Marsh and Edward Drinker Cope, former friends turned competing paleontologists, began scouring the American West for prehistoric fossil deposits in the hopes of discovering unknown species from the past.