Martin McGuinness, seen here arriving at 10 Downing Street in central London last October for meetings in his role as Northern Ireland's deputy first minister, has died at age 66.
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In this 1989 photograph, Thomas Starzl oversees a liver transplant operation at the University of Pittsburgh Medical Center. Starzl won a National Medal of Science in 2004.
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In March 2015, Steven McDonald gathered with his wife, Patricia, and son, Conor, to receive the Spirit of Giving Award at the Kelly Cares Foundation's 5th Annual Irish Eyes Gala, in New York City.
Stuart Ramson/Invision for Kelly Cares Foundat
Veteran British war correspondent Clare Hollingworth, who broke the story that the World War II had begun, celebrates her 100 birthday during a party at the Foreign Correspondents' Club in Hong Kong in 2011. She celebrated her 105th birthday there this past October.
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