# Four revolutions of 20th century
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## [Living Through Four Revolutions - Freeman Dyson](https://pirsa.org/11060094) June 01, 2011
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First revolution, Space
Second revolution, Nuclear Energy
Third revolution, Genomes
Fourth revolution, Computers,
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[Great Thinker: Freeman Dyson | April 13, 2011](https://www.youtube.com/watch?v=jRNPd2h4-7g&list=WL&index=3)
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# Parents
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* Freeman Dyson⏎