Autocycle by August Paul
This autocycle began as a motorcycle that gradually evolved. Back in the day, cyclist August Paul found it inconvenient to yell at his partner in the open sidecar every time he wanted to have a conversation.
So in 1950, he invented a luxurious convertible sidecar. He was so impressed with the invention that he removed the saddle, added a steering wheel, shifter and other controls, and started riding it himself.