Gregory Gabadadze
Gregory Gabadadze is a physicist of Georgian origin. He is a Professor and the Chair of the Department of Physics at New York University, where he served previously as the Director of the Center for Cosmology and Particle Physics. He received pre-college training in physics and mathematics in Tbilisi, a college degree from Moscow State University, and a PhD from Rutgers University. He's best known for the Dvali-Gabadadze-Porrati brane-world model, and for the de Rham-Gabadadze-Tolley theory of massive gravity.