Pedals and seats
No one. The earliest bikes were built in France, Germany and then England.
I believe 1960
Leonardo da Vinci invented the bicycle and the helicopter.
elephant on beach
Yes ... it is a bicycle built for two, only the front rider has control of the steering.
you could call it a tandem or a daisy bell bike
The first sucessful plane was built by th Wright Brothers, Orville and Wilbur. They invented the plane using bicycle parts.
Perhaps you are thinking of the song, "Daisy Bell (bicycle built for two)." The chorus is: "Daisy Daisy, Give me your answer do! I'm half crazy, All for the love of you! It won't be a stylish marriage, I can't afford a carriage, But you'll look sweet on the seat Of a bicycle built for two !"
No
bicycle
John Richard Dedicoat is credited with invented the bicycle bell in 1877. Bicycle bells are usually put on the handlebars and are thumb activated.