The "Wright-Brüder" refers to the Wright brothers, Orville Wright and Wilbur Wright, who were American aviation pioneers. They are best known for inventing and building the first successful powered airplane, the Wright Flyer, which made its first flight on December 17, 1903, in Kitty Hawk, North Carolina. Their work laid the foundation for modern aviation. The Wright brothers conducted extensive research and experimentation in aerodynamics and control systems. They developed a three-axis control system that allowed pilots to steer the aircraft effectively. Their innovations and achievements significantly advanced the field of aviation and inspired future generations of engineers and aviators.