Stephen Hawking had a brilliant response when asked if he had an equation for time travel
Oh the things you could do with an equation for time travel...
Hawking may not have had the equation for time-travel, but he did have a great sense of humour.
Credit: ANDREW COWIE/AFP/Getty Images
Stephen Hawking's sense of humour is well-documented.
Following the death of the legendary cosmologist on Wednesday, the Twitter account "Letters of Note" shared a letter he wrote to The Face Magazine in 1995.
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An excellent response.