first consistent theory of quantum gravity. Andrew Strominger and Cumrun Vafa discovered startling dualities uniting rival pictures of reality. And Joseph Polchinski has re-imagined the deep structure of the cosmos with a series of elegant but radical ideas. This provocative and illuminating discussion will take

irst consistent theory of quantum gravity. Andrew Strominger and Cumrun Vaf a discovered startling dualities uniting rival pictures of reality. And Joseph Polchinski has re-imagined the deep structure of the cosmos with a series of elegant but radical ideas. This provocative and illuminating discussion will take