Brian Greene is a theoretical physicist and co-founder of the World Science Festival, known for his groundbreaking work on string theory and his ability to communicate complex scientific ideas to the public. As a professor at Columbia University, he has published influential research on the nature of space, time, and the universe’s structure. Greene is also a bestselling author of books like The Elegant Universe and Until the End of Time, blending science with philosophical reflection. Through lectures, media appearances, and educational initiatives, he promotes scientific literacy and curiosity.