The famous scientist known for his theory of relativity is Albert Einstein. Born in 1879, Einstein revolutionized physics with his groundbreaking theories that transformed our understanding of space, time, and gravity. His special theory of relativity, proposed in 1905, introduced the famous equation E=mc², illustrating the relationship between mass and energy. Later, in 1915, he presented the general theory of relativity, which describes how gravity affects the fabric of space-time. Einstein's insights laid the foundation for modern physics and cosmology, influencing countless scientific advancements. He remains one of the most influential figures in science, symbolizing creativity and intellect.