# Paul Adrian Maurice Dirac

- Born 8 August 1902 in Bristol, died 20 October 1984 in Tallahasse, Florida
- 1914-1918 Merchant Venturers' School, Bristol
- 1918-1921 Degree in Engineering at Univ of Bristol
- 1921-1923 Degree in Mathematics at Univ of Bristol
- 1923 moved to St. John's College Cambridge as research Student
- 1926 PhD, first ever awarded for research into the quantum theory
- late 1926, proved the equivalence of Heisenberg's and Schrödinger's formulations of quantum theory
- late 1926 used a telephone for the first time in his life
- 1927 Relativistic quantum theory for the electron, worried by predictions of electrons with negative energy
- 1929 visited America
- 1930 elected FRS, predicted the positron
- 1931 Quantum theory condemned as un-Marxist in Soviet Union
- 1932 Appointed professor at Cambridge
- 1933 Nobel prize (shared with Schrödinger) for work on atomic theory. Speculated that every particle might have an anti-particle
- 1934 investigated separation of isotopes by a 'jet stream' method
- 1936 Interest shifted to cosmology
- 1937 Large number hypothesis; became research supervisior to Fred Hoyle
- 1941-2 More work on separation of isotopes using a centrifuge
- 1942 Declined invitation to go to Bletchley Park. Theoretical work on nuclear fission
- 1947-8 at Princeton, theorised about magnetic monopoles and quantum field theory
- 1949 expressed doubts about the conservation of parity
- 1951 seemed to contemplate rehabilitating the aether
- 1953 refused to accept a knighthood
- 1954 refused visa to visit USA
- anticipated string theory
- tried to quantise gravity, redefining the word 'graviton' as the quantum of the gravitational field
- 1971 moved to Florida State University as 'Visiting Eminent Professor'