UNSPECIFIED - JANUARY 01: The scholar Albert EINSTEIN, inventor of the theory of relativity, writes a mathematical formula on a blackboard. (Photo by Keystone-France/Gamma-Keystone via Getty Images)
UNSPECIFIED - JANUARY 01: The scholar Albert EINSTEIN, inventor of the theory of relativity, writes a mathematical formula on a blackboard. (Photo by Keystone-France/Gamma-Keystone via Getty Images)