a person who is the first to discover or be involved in something
He was a pioneer of computer programming.
Marie Curie was a pioneering scientist who made groundbreaking discoveries in the field of radioactivity.
Steve Jobs is often considered a pioneer in the technology industry for co-founding Apple Inc.
Amelia Earhart was a pioneering aviator who set numerous records for women in aviation.
The Wright brothers are celebrated as pioneers of aviation for inventing and building the world's first successful powered aircraft.
