Dirac is one of the most excellent physicists in the 20th century, In this paper, his topping talent is revealed by explanating his contribution to quantum mechanics, relativity and wave mechanics, quantum field theory and cusmology ect.

• 着重介绍了狄拉克在量子力学、相对论波动力学、量子场论、宇宙学等方面所作的重大贡献；以此纪念这位20世纪杰出的理论物理学家.