1. THOMAS EDISON

2. WHO IS HE?
Inventor (has the most patents still to date)
Businessman

3. WHO IS HE?
His most famous invention is found everywhere. In houses, stores, streets, and even on
cars. He is the creator of the lightbulb.
In 1879 he had his first successful test with a lit carbon filament. The bulb stayed lit
for 13.5 hours.

4. FIRST EVER LIGHT BULB

5. HOW HAS IT CHANGED?
Light bulbs have been transformed for the better than previous models. Now they are
Energy Efficient
Produce less heat
Environmental Friendly
Longer light hours per bulb