Who built and flew the first successful rigid dirigible?

The first successful rigid dirigible was built and flown by Ferdinand von Zeppelin, a German count, in the late 19th century. His first flight occurred in 1900 with the LZ 1, a 128-meter-long airship that demonstrated the feasibility of rigid airship design. Zeppelin's innovations laid the groundwork for the development of more advanced airships, significantly influencing aviation history.