German born theoretical physicist ; Developed special theory of relativity and general theory of relativity; General theory of relativity and quantum mechanics are two pillars of modern physics;

## German born theoretical physicist

## Developed special theory of relativity and general theory of relativity

## General theory of relativity and quantum mechanics are two pillars of modern physics

## Developed the mass-energy equivalence formula E=mc2

## Received Nobel Prize in physics in 1921