How many times did Edison try to make a light bulb?

Astaire once observed that "when you're experimenting, you have to try so many things before you choose what you want, that you may go days getting nothing but exhaustion." And here is the reward for perseverance: "The higher up you go, the more mistakes you are allowed. read more

He failed 10,000 times with improving his light bulb. He failed the one other time because he thought he was better and more energy efficient than Nikola Tesla. A double answer. (1) Nikola Tesla was the most savage scientist/ futurist ever. (2) Edison failed 10,00 times with his light bulb. read more

The exact quote by Edison: "I speak without exaggeration when I say that I have constructed three thousand different theories in connection with the electric light, each one of them reasonable and apparently to be true. Yet only in two cases did my experiments prove the truth of my theory. read more