The idea of Velcro came from a frogs sticky padded feet.
Many Trial and errors after someone came up with idea or found it out by mistake.
If you mean Rube Goldberg, he came up with the idea of a machine which performs a simple task in a much more complicated way.
It came about from people wondering if there was life elsewhere in the Universe, many people believe that there are life forms on other planets and others do not.
Chuko Liang came up with the idea when he had to carry supplies to injured soldiers. He didn't want to carry supplies to aid the injured soldiers so he invented the wheelbarrow.
He just did
who came up with the idea of NAFTA
France came up with the first idea of a tank in the 15hundreds, Austria came up with the first prototype of a tank in 1912, but the first people use them were the British in the battle of the Somme of 1916
The founding fathers came up with the idea of independence. They adopted the idea from the French people during the French Revolution,
The Mac Cosmetics company came up with the idea for MAC powder. It is unclear exactly which employee came up with the idea but it was probably a collaboration between several departments there.
who came up with the ancient olympics
The company Ganz did, but the individual who came up with the idea is not named.
I am pretty sure masashi kishimoto came up with the idea because he did draw them.
Not you
gaileau
Teenagers
Ptolemy