His services to Theoretical Physics

Translation of the 1922 Nobel Prize to Einstein: "The Royal Swedish Academy of Sciences at its meeting on November 9, 1922, according to the guidelines formulated by Alfred Nobel in his will from November 27,1895, decided, regardless of the value, which may be attributed to the theories of relativity and gravitation after appropriate confirmation, to present the prize, which is awarded for the year 1921 to the person who has made the most important discovery or invention in physics, to Albert Einstein for his services to Theoretical Physics, and especially for his discovery of the law of the photoelectric effect."