“Supersymmetry arises naturally in string theory.”

It was originally motivated by string theory.
Source: [The World's Largest Experiment, 2013, https://www.sns.ias.edu/sites/default/files/World's_largest_experiment_%20Delhi.pdf] (public talk at Tryst, Indian Institute of Technology Delhi)

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Do you have more details about the quote "Supersymmetry arises naturally in string theory." by Nathan Seiberg?
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American physicist 1956

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