RT @QuantaMagazine: Joe Polchinski was a D-Brane discoverer, firewall forger, orientfold observer, and one of the most beloved members of the physicist community. https://t.co/E1WHgB4SwS

Joe Polchinski was a D-Brane discoverer, firewall forger, orientfold observer, and one of the most beloved members of the physicist community.https://t.co/E1WHgB4SwS

— Quanta Magazine (@QuantaMagazine) February 20, 2018

from Twitter https://twitter.com/iPhoneMaster13

February 20, 2018 at 04:38PM
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