Sir Roy Calne, of Cambridge University, delivers an acceptance speech after receiving the 2012 Lasker DeBakey Clinical Medical Research Award for developing liver transplantation, an intervention that has restored normal life to thousands of patients with end-stage liver disease, Friday, Sept. 21, 2012 in New York. Roy Calne, a pioneer of organ transplantation who led Europe’s first liver transplant surgery in 1968, has died aged 93. (AP Photo/Mary Altaffer, File)
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