Question: William Harper Jr. was a pioneer aviator and aviation engineer with which two American brothers, inventors, and aviation pioneers who are generally credited with inventing, building, and flying the world's first successful airplane?
Sentence (from "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.
Relevant evidence: Yes