John William Dunne (1875–1949), a pre-World War I pioneer of tailless aircraft, mostly in biplane form
The Whatsit was a swept-wing, tail-less airplane designed by Waldo Waterman between 1911 (when he first got the idea) and 1932 (when the prototype was finally in testing phase).
Ralph Waldo Emerson | Pete Waterman | Waldo Frank | Dennis Waterman | Waterman Mountains | Stan Waterman | Dwight Waldo | Waldo Waterman | Samuel Waldo | Janet Waldo | Waterman Hills | Waldo Semon | Waldo | The Great Waldo Pepper | Robert H. Waterman, Jr. | Rhinelander Waldo | Ralph Waldo Emerson House | Peter Waldo | Waterman Whatsit | Waterman | waterman | Waldo Von Erich | Waldo's People | Waldo Salt | Waldo, Ohio | Waldo Hutchins | Thomas G. Waterman | The Silver Slipper dance hall adjacent to Sloppy Joe's, painted in the 1930s by Waldo Peirce | Stock Aitken Waterman Gold | Samuel Waldo (merchant) |
Waldo Waterman's 1929 tailless Whatsit was one of the first to have a steerable nose wheel.