Question For The Day 12 May 06

I am trying to Sky Rocket the bar Today

Whats comman between them ::








Plese click on the image to enlarge it.

Hints
1. They are all scientists
2. They were best in their fields.
3. They are few of the most commanly read names in the world of Science


Based on the responses, I might Give out another Hint at around 2 : 00 PM
Hint will be posted here itself at and no seperate mails will be sent


Looks like it was real tough this time.

Anyways since I had only got 6 correct replies I am providing the names of
These Persons ( Random Order although )

Issac Newton ( Remember Apple )
Blaise Pascal
James watt ( Remember Kettle )
James Prescott Joule