Claus Dornier was a German aircraft designer and engineer, born on December 14, 1884. He is best known for founding the Dornier Flugzeugwerke, a company that produced innovative aircraft during the early to mid-20th century. Dornier's designs included both military and civilian planes, contributing significantly to aviation technology. Dornier's most notable creations include the Dornier Do 24, a flying boat used during World War II, and the Dornier Do 335, a unique twin-engine fighter. His work laid the groundwork for modern aeronautics, and he is remembered as a pioneer in the field of aviation engineering.