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). Waterman completed the prototype with friend and fellow engineer Max B. Harlow.
This page contains content from the copyrighted Wikipedia article "Waterman Whatsit"; that content is used under the GNU Free Documentation License (GFDL). You may redistribute it, verbatim or modified, providing that you comply with the terms of the GFDL.