How many Dharma scientists does it take to change a lightbulb?

1. None, on the Island, Dharma Lightbulbs constantly heal themsleves. - Howard at TLEC

2. Just one, but he has to change it every 108 minutes. - Howard at TLEC

3. **Season 2 Spoiler - 8 scientists

Two to take shifts since it goes out every 108 minutes.
Two to watch and take notes on the first two.
Two more to watch and take notes on the two taking notes.
And two more because 6 is not one of the Numbers. - End Spoiler**

4. None--they have kidnapped losties to do menial jobs like this! - BoulderLovinCat
Or abandoned scientists?