Definition of Pioneered:
- "Edison, His Life and Inventions", Frank Lewis Dyer and Thomas Commerford Martin.
But in almost every home and workplace in America, we're already witnessing reason for great hope- the first flowering of the manmade miracles of high technology, a field pioneered and still led by our country.- "State of the Union Addresses of Ronald Reagan", Ronald Reagan.
- "The Progressionists, and Angela.", Conrad von Bolanden.