Sir Harold Jeffreys (1891–1989)A. C. G. S. Amarasekara (1883–1983)
St John's College, University of Cambridge
Paul Adrien Maurice Dirac (1902–1984), OM, Established the Principles of Quantum Mechanics, Nobel Prize Winner (1933), Lucasian Professor of MathematicsA. C. G. S. Amarasekara (1883–1983)