Seamus Heaney is one of the best-known poets in the English-speaking world. There is a biography of him at this site:
http://nobelprize.org/nobel_prizes/literature/laureates/1995/heaney-bio.html
There are plenty of notes about his poetry available in print and on the internet -
http://poetryforgcseenglish.blogspot.com/2009/11/blackberry-picking-seamus-heaney.html
