Albert Einstein was a German-born theoretical physicist who developed the theory of general relativity,
born 14 March 1879
Ulm, Kingdom of Württemberg, German Empire
Died 18 April 1955 (aged 76)
Princeton, New Jersey, United States
Einstein is often regarded as the father of modern physics
he is best known for his mass–energy equivalence formula E = mc2,
he received the 1921 Nobel Prize in Physics "for his services to theoretical physics, and especially for his discovery of the law of the photoelectric effect"