A writer, and the most prominent theoretical physicist in the world. He was born in Oxford, England, January 8, 1942. He studied at Oxford University and obtained a first degree in physics, then completed his studies at Cambridge University to obtain a doctorate in cosmology. He has theoretical research in cosmology and in the relationship between black holes and thermodynamics, as well as his research studies in chronology. He appeared in the documentary films Horizon (1964) and Naked Science (2004), as well as the movies The 11th Hour (2007) and Surviving Progress (2011).