Alva Review-Courier -

Reaction to the death of theoretical physicist Stephen Hawking:

"His passing has left an intellectual vacuum in his wake. But it's not empty. Think of it as a kind of vacuum energy permeating the fabric of spacetime that defies measure." — Neil deGrasse Tyson, director of New York's Hayden Planetarium, on Twitter .

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"Stephen Hawking will be remembered for his incredible contributions to science — making complex theories and concepts more accessible to the masses. He'll also be remembered for his spirit and unbounded pursuit to gain a complete understanding of the universe, despite the obsta...