Sir John Sulston British biologist and Nobel prizewinner pictured at Hay Festival 2013 Hay on Wye Powys Wales UK

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Size: 4256px × 2831px
Location: The Telegraph Hay Festival 2013, Hay-on-Wye, Powys, Wales, Cymru, UK
Photo credit: © Jeff Morgan 11 / Alamy / Afripics
License: Licensed
Model Released: No

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