Ren discussed the pros and cons of acceleration. Some articles about Julian Stanley and his work with accelerants are

http://www.jhu.edu/jhumag/0697web/whiz.html
Yesterday's Whiz Kids:
Where Are They Today?
By Melissa Hendricks
Johns Hopkins magazine June 1997

and

http://www.jhu.edu/jhumag/0400web/16.html
What Brilliant Kids
Are Hungering For
By Dale Keiger
Johns Hopkins magazine April 2000

I think overall radical accelerants have been pretty successful, but one doesn't know if they would have been just as successful if they were not accelerated.

"To see what is in front of one's nose needs a constant struggle." - George Orwell