Smithsonian Institution
National Air and Space Museum: America by Air: Early Commercial Aviation
Commercial airlines took flight soon after the Wright brothers' famous first flights. Read about how the U.S. government encouraged the development of air travel.
Smithsonian Institution
National Air and Space Museum: Exploring the Planets: Early Discovery
This section of the exhibition gives the history of the discovery and study of space starting with the Greeks and Romans through to the early 1900's.
Other
John Glenn: Astronaut/senator
A concise biography which describes the highlights of the life of John Glenn. Two photos are included in this site.