# Why Gary Gibbons and Stephen Hawking are similar

## Sentences that refer to both and

- The necessity of such a boundary term was first realised by York and later refined in a minor way by Gibbons and Hawking.Gibbons–Hawking–York boundary term-Wikipedia
*Gary Gibbons*,*Stephen Hawking*, Horowitz and Perry proved extensions of the theorem to asymptotically anti-de Sitter spacetimes and to Einstein–Maxwell theory.Positive energy theorem-Wikipedia- It is named after
*Gary Gibbons*and*Stephen Hawking*.Gibbons–Hawking effect-Wikipedia - In mathematical physics, a Gibbons–Hawking space, named after
*Gary Gibbons*and*Stephen Hawking*, is essentially a hyperkähler manifold with an extra U(1) symmetry.Gibbons–Hawking space-Wikipedia

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