Which famous physicist appeared in Apple's 'Think Different' advertising campaign, posthumously endorsing the brand's innovative approach to technology?

Throughout history, many scientific products and innovations have received celebrity endorsements that helped bring them into the mainstream. From telescopes to laboratory equipment, famous personalities have lent their names and reputations to promote scientific advancement. This trivia question tests your knowledge of a notable scientific endorsement that changed public perception of an important technology.

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Albert Einstein
Stephen Hawking
Richard Feynman
Niels Bohr