Stephen Hawking. Photograph of the English theoretical physicist, Stephen William Hawking (1942-2018) giving a lecture at the 50th Anniversary of NASA in April 2008.

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Credit: NASA/PAUL E. ALERS

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Size: 3543px × 4035px
Photo credit: © IanDagnall Computing / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 2008, 50th, address, anninversary, author, cosmologist, disabled, hawking, hawkings, nasa, physicist, physics, scientist, speech, stage, stephen, theoretical, wheelchair, writer