Paul MacCready was an American engineer and inventor, best known for his pioneering work in the field of human-powered flight. He founded the company Aerovironment and created several innovative aircraft, including the Gossamer Albatross, which successfully crossed the English Channel in 1979. His designs emphasized lightweight materials and efficient aerodynamics. In addition to his contributions to aviation, MacCready was also involved in environmental efforts, promoting sustainable energy solutions. He received numerous awards for his work, including the National Medal of Technology in 1990. His legacy continues to inspire engineers and inventors in various fields.