As a member of Russell University Group, Queen's University of Belfast ranks among the best in the global research field, from cancer research to sustainable development, from wireless technology to poetry, from pharmaceutical preparations to audio art. The university has made world-class achievements in four fields: green chemistry, environmental research, paleoecology and law, and won four Queen's annual continuing education and higher education awards. Over the past century and a half, this university has trained thousands of outstanding talents, including Nobel Prize in Literature laureate seamus heaney, Nobel Peace Prize winner david trimble and Irish President mary mcaleese. In May, 20001,Queen's University awarded former US President Bill Clinton an honorary doctorate in law.