Part of the popular 'Who Was?' biography series, this book explores the life and work of one of the world's most renowned theoretical physicists. The book presents a comprehensive look at his groundbreaking scientific theories, personal challenges, and contributions to our understanding of the universe. Key features: • Age-appropriate biography for young readers • Illustrated throughout with black-and-white drawings • Part of the bestselling 'Who Was?' series • Covers both scientific achievements and personal life • Educational and engaging narrative style • Perfect for school reports and curious young minds This biography introduces young readers to the remarkable story of a brilliant scientist who made complex theories about space, time, and black holes accessible to the general public. The book discusses how he overcame significant physical challenges to become one of history's most influential scientists. Written in an engaging style that makes complex scientific concepts understandable for young readers.