The notable figure born in Steyning, Sussex, England in 1940 who became a world-renowned theoretical physicist is Stephen Hawking. Renowned for his research in cosmology, particularly on black holes and the nature of time, Hawking's work revolutionized our understanding of the universe. His most famous work, A Brief History of Time, brought complex scientific concepts to the general public, facilitating widespread interest in physics and astronomy. Despite facing significant physical challenges due to motor neuron disease, Hawking's intellect and spirit became a source of inspiration globally.