The line "What happens to a dream deferred?" was written by which poet?

Great poet, and great thinker. His influence will be felt for many many years.

Heartland Old Guy, Hey ya! Glad you're still around!

One of the most prolific poet of the times

If you have not already, do borrow his works from The library! They are really good. Also they make a person think and gives material for discussion for others!