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TReese82
Happy 75th Birthday to Scientist William Unruh! - TReese82 (3 months ago)

79 years old (Born on August 28, 1945)

Physicist who gave rise to the hypothetical Unruh effect in 1976, which states that a quantum vacuum is dependent on the state of the observer in space-time. He also worked as a professor at the University of British Columbia.

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