Dr. Alfred Crosby, author of Epidemic and Peace 1918: America's Forgotten Pandemic.
The historic journey of Apollo 8 captivated the world in 1968 -- a bright spot in a year marked by political assassinations, race riots, and the Vietnam War.
Robert Moses fueled some of the most ambitious -- and controversial -- public works projects ever conceived.
The first around-the-world air race was sponsored to prove that the airplane had a commercial future.
During the Great Depression, Americans built the Hoover Dam, one of the greatest engineering works in history.
A uniquely impressionistic history of the early years of the Space Race.
The internationally famous carnival of delights in New York was the birthplace of the hot dog and the roller coaster.
The Pennsylvania Railroad Company accomplished an enormous engineering feat, but destroyed a great architectural monument.
The remarkable story of mid-19th century ingenuity and perseverance during the laying of the transatlantic telegraph cable between North America and Europe.