when he was alive
Because he wanted to, do you have a problem with that?
About 1485.
There are many drawings by Leonardo Da Vinci illustrating his inventions. These include at least two for different flying machines, an armored car, a giant crossbow and an eight barreled machine gun.
No.
No
No. Only Leonardo.
That is easy: he did not!
hes mean
yes
You cannot INVENT something which already exists. Leonardo studied the structure.
Leonardo da Vinci will be remembered for his art, maths, and science inventions he intended to invent.
Yes, kind of.