Albert Einstein An haife shi a 14 ga watan Maris shekara ta 1879; yarasu a watan April shekara ta 1955) haifaffen kasar Jamus ne theoretical physicist wanda ya Samar da theory of relativity, daya daga cikin ginshikan ilimin physics ayanzu (tareda quantum mechanics). Ayyukan sa sun shahara ne akan philosophy din kimiyya. Mutane sun sansa akan mass–energy equivalence formula, which has been dubbed "the world's most famous equation". Ya lashe kyautar a shekarar 1921 ta Nobel Prize a Physics "Dan ayyukan sa akan theoretical physics, and especially for his discovery of the law of the photoelectric effect", a pivotal step in the development of quantum theory. A Farkon fara aikinsa, Einstein yayi tunanin Newtonian mechanics was no longer enough to reconcile the laws of classical mechanics with the laws of the electromagnetic field. Wannan ne yakaisa ga Samar da special theory of relativity kansa a lokacin yana Swiss Patent Office a garin Bern (1902–1909), Switzerland.