Which two American brothers first used Charlie Taylor aircraft engine 
Charlie Taylor (mechanic):  He built the first aircraft engine used by the Wright brothers and was a vital contributor of mechanical skills in the building and maintaining of early Wright engines and airplanes. Wright brothers: The Wright brothers, Orville (August 19, 1871 – January 30, 1948) and Wilbur (April 16, 1867 – May 30, 1912), were two American brothers, inventors, and aviation pioneers who are generally credited with inventing, building, and flying the world's first successful airplane.
The Wright brothers