From the Office of Aerial Design
If history had charted a slightly different course we might be flying these to work today. I love this unconventional design and the optimism of this project from the 60s. Unfortunately, a flight test resulted in a fatality of a pilot and the project was scrapped. The company making these went into making peach-pitting machines. I guess that's important too.
You can read more here: LINK
-Jake