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Paul A.M. Diract (1902 AD -1984 AD) was a English theoretical physicist who helped develop mathematical expressions of quantum mechanics.  His scientific philosophy was this: "Physical laws should have mathematical beauty and simplicity."   

Paul A.M. Diract (1902 AD -1984 AD) was a English theoretical physicist who helped develop mathematical expressions of relativistic [[quantum mechanics]].  His scientific philosophy was this: "Physical laws should have mathematical beauty and simplicity."   

Dirac developed a equation of motion for the wavefunction of the electron based on relativity. Dirac to predicted the existence of the positron, the electron's antiparticle, which was subsequently discovered by Carl Anderson in 1932 AD. Dirac was the founder of quantum electrodynamics.

Dirac developed a equation of motion for the wavefunction of the electron based on relativity. Dirac to predicted the existence of the positron, the electron's antiparticle, which was subsequently discovered by Carl Anderson in 1932 AD. Dirac was the founder of quantum electrodynamics.