Albert EINSTEIN was a renowned physicist and one of the most influential scientists of the 20th century. He is best known for his theory of relativity, which revolutionized modern physics and changed the way we view the universe. He also made important contributions to quantum mechanics, thermodynamics, and cosmology. EINSTEIN was awarded the Nobel Prize in Physics in 1921 for his work on the photoelectric effect. His work has had a lasting impact on science and continues to be studied and discussed today.