Albert Einstein was a German-born physicist and inventor who developed the theory of relativity and E=mc2 equation. He was awarded the Nobel Prize in Physics in 1921. Einstein is considered one of the most influential scientists of the 20th century. He was passionate about physics from a young age and devoted his life to scientific study and discovery despite challenges with the educational system and his careers. Einstein's theories revolutionized how we understand space, time, mass, and energy and transformed modern physics.