Aubrey de Grey is a scientist with The Methuselah Foundation. He's got a background in computer science. He has used his engineering mindset to come up with an engineering approach to stop the aging process dead in its tracks (pun intended). This will allow humanity to stay young forever and live an indefinate lifespan.
After I read the article the only thing I had to say was Wow!
However, is it really necessary?
Do you want your great great grandparents around when you have grandkids?
We already have enough problem with 3 generations!!!