“Life on Earth is at the ever-increasing risk of being wiped out by a disaster, such as sudden global nuclear war, a genetically engineered virus or other dangers we have not yet thought of.”

Theoretical physicist and cosmologist from the UK, active in the 20th and 21st centuries. His work revolutionized the understanding of black holes, singularities, and the origins of the universe. Known for bridging complex physics with accessible public engagement, he also explored the intersection of science and philosophy.