Brian Greene

Brian Greene (born 1963) is an American theoretical physicist and popular science author. He is a professor of physics and mathematics at Columbia University and is known for research on string theory and related ideas in fundamental physics. Greene has written widely read books that explain modern physics for general audiences, including *The Elegant Universe* (1999), *The Fabric of the Cosmos* (2004), and *The Hidden Reality* (2011). He also co-founded the World Science Festival, which promotes public engagement with science through talks, performances, and educational programs. Greene has appeared in television documentaries and has helped bring concepts like extra dimensions and the multiverse into mainstream discussion.