Nobel prize co-winner in physics Arthur McDonald speaks at Queen's University in Kingston, Ont., on March 11, 2016.

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Nobel prize co-winner in physics Arthur McDonald speaks at Queen's University in Kingston, Ont., on March 11, 2016. Photo by Lars Hagberg

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Size: 5269px × 3513px
Location: Kingston, Ontario, Canada
Photo credit: © Lars Hagberg / Alamy / Afripics
License: Licensed
Model Released: No

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