contributor to the understanding of the atom, J. J. Thomson, discoverer of the electron, James Chadwick, discoverer of the neutron, and John Cockcroft and Ernest Walton, responsible for first splitting the atom. J. Robert Oppenheimer, leader of the Manhattan Project that developed the atomic bomb, also studied under Rutherford and Thomson. Joan Curran devised the 'chaff' technique used during World War II to disrupt radar on Axis powers' planes.
University of Cambridge alumni in astronomy include John Herschel, Arthur Eddington, and Paul Dirac, discoverer of antimatter and one of the pioneers of quantum mechanics; Stephen Hawking, theoretical physicist and the university's long-serving Lucasian Professor of Mathematics until 2009; and Martin Rees, the current Astronomer Royal and former Master of Trinity College. John Polkinghorne, a mathematician before his ordination to the Anglican ministry, received the Templeton Prize for his work reconciling science and religion.
Other significant university alumni in science include Henry Cavendish, who discovered hydrogen; Frank Whittle, co-inventor of the jet engine; William Thomson (Lord Kelvin), who formulated the original Laws of Thermodynamics; William Fox Talbot, who invented the camera, Alfred North Whitehead, Einstein's major opponent; Jagadish Chandra Bose, one of the fathers of radio science; Lord Rayleigh, who made extensive contributions to both theoretical and experimental physics in the 20th century; and Georges Lemaître, who first proposed the Big Bang theory.
=== Politics ===
The University of Cambridge has a strong reputation in the field of politics, having educated:
Oliver Cromwell, Lord Protector of England (1653–58)
14 British Prime Ministers, including Robert Walpole, who is widely regarded as the first British Prime Minister. The last Cambridge graduate to have served as British Prime Minister was Stanley Baldwin.
At least 30 foreign heads of state or government, including presidents of India, Ireland, Trinidad and Tobago, Uganda, South Korea, Singapore, …
