What was albert einstein?

Albert Einstein (14 March 1879 – 18 April 1955) was a German-born theoretical physicist who developed the theory of relativity, one of the two pillars of modern physics (alongside quantum mechanics). ... He also investigated the thermal properties of light which laid the foundation of the photon theory of light. read more

Albert Einstein: Albert Einstein, German-born physicist who developed the special and general theories of relativity and won the Nobel Prize for Physics in 1921 for his explanation of the photoelectric effect. read more