Ernest Rutherford Nobel Prize?

Question

Allright, i know Rutherford won the Nobel prize in 1908 for chemistry because of his research on radioactivity.......but can somebody give me more details like:

What was the exact subject area? and what are the discoveries specific contributions?

Please give me detailed answers.
By the way I've been to the Nobel prize website, the details are more like a biography and are not exactly focused on the prize and the details of the prize.

Also how has his discoveries affected our society?

Answer 1

. He had demonstrated that radioactivity was the spontaneous disintegration of atoms.
http://en.wikipedia.org/wiki/Ernest_Rutherford

Answer 2

that was on radioactivity and that how spontaneous it could be and the other thing is that he worked on the atom that atomis elyptical or circular.

Answer 3

http://en.wikipedia.org/wiki/Earnest_Rutherford

dude man, for this kind of stuff just go to wikipedia.