'Rare genius': Stephen Hawking remembered across the world
by Matthew Weaver and agencies from on (#3J4BH)
PMs, astronauts, scientists and celebrities pay tribute to a 'colossal mind and wonderful spirit'
From astronauts to world leaders, tributes have poured in for Stephen Hawking, the British physicist and author who has died aged 76.
Theresa May praised his "brilliance" and contribution to our understanding of the universe during prime minister's questions.
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