Who gives the famous theory of relativity E = MC^{2}

**Albert Einstein **gave the theory of relativity E = MC^{2}.

**Albert Einstein**was a brilliant physicist and mathematician who is considered one of the greatest scientists in history.**Einstein's**theory of relativity, specifically the special and general theories, revolutionized physics and our understanding of space, time, and gravity.- Einstein's famous
**equation, E=mc²,**demonstrates the equivalence of energy (E) and mass (m) and highlights the incredible amount of energy that can be released from matter. - Einstein was awarded the
**Nobel Prize in Physics in 1921**for his explanation of the photoelectric effect.