Joel Achenbach Boyce Rensberger The Washington Post

Stephen Hawking, the British theoretical physicist who probed the greatest mysteries of the cosmos, has died.

Stephen Hawking, the British theoretical physicist who overcame a devastating neurological disease to probe the greatest mysteries of the cosmos and become a globally celebrated symbol of the power of the human mind, has died, a family spokesman told the Associated Press. He was 76.

Stephen Hawking, the British theoretical physicist who probed the greatest mysteries of the cosmos, has died.

Stephen Hawking, the British theoretical physicist who overcame a devastating neurological disease to probe the greatest mysteries of the cosmos and become a globally celebrated symbol of the power of the human mind, has died, a family spokesman told the Associated Press. He was 76.