Dr. Brian Greene is a theoretical physicist, author and co-founder of the World Science Festival. He is widely known for his work on string theory and for popularizing science through best-selling books such as “The Elegant Universe” and “The Fabric of the Cosmos.” A professor at Columbia University, Greene excels at making mind-bending concepts like quantum mechanics and multiverses understandable to general audiences. His media appearances and lectures blend scientific depth with philosophical wonder.