On the Go: British train engineer Richard Trevithick gave the world its first steam railway locomotive in 1804. Henry Ford was a brilliant mechanic with a vision: he wanted to make cars affordable to all classes of society, not just the wealthy. Wilbur and Orville Wright, who owned a bicycle shop, made history on December 17, 1903, with their first flight at Kitty Hawk, North Carolina, and changed history because they preferred wings to wheels. Robert Goddard expanded our knowledge of the universe with his invention of the modern rocket. Medical Milestones: Herbert Boyer and Stanley Cohen unlocked the hidden secrets of DNA with genetic engineering, opening the way for the development of new drugs and increased food production, as well as cloning. Alexander Fleming discovered penicillin, revolutionized medical treatment, and won the Nobel Prize in 1945. Charles Drew pioneered blood banks by developing a new way to house plasma. Finally, Jonas Salk developed the polio vaccine, which was pronounced effective in 1955. TheJust the Facts Learning Seriesoffers outstanding programming presented in a fast-paced format that makes learning fun.