John Clarke, a comedian and political satirist beloved in Australia and New Zealand, has died at age 68. He's seen here in an undated photo provided by the Australian Broadcasting Corporation.
Groundlings comedy troupe founder Gary Austin has died at 75. Here he attends a January 2016 Groundlings event with actress Victoria Carrol-Bell in West Hollywood, Calif.
Araya Diaz/Getty Images for The Groundlings
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.
Daniel Leal-Olivas/AFP/Getty Images
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.
Gene J. Puskar/AP
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.
Laurent Fievet/AFP/Getty Images