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 Albert Einstein, born on March 14, 1879, in Ulm, Germany, is considered one of the most influential scientists in history. His work revolutionized modern physics, and his legacy lives on in science and popular culture. Below are key moments in his life and his most important contributions.

Einstein grew up in a middle-class Jewish family. Throughout his childhood, he showed curiosity about the world around him, although he was not an exceptional student in traditional school. In 1896, he entered the Swiss Federal Institute of Technology in Zurich, Switzerland, where he studied physics and mathematics. There he met Mileva Marić, his first wife, with whom he had three children.

The "Miracle Year" (1905): In 1905, while working as a clerk at the Patent Office in Bern, Switzerland, Einstein published four scientific articles that changed the course of physics: 1.The Photoelectric Effect: He explained that light is composed of particles called "quanta" (photons), laying the foundations of quantum mechanics. This work earned him the Nobel Prize in Physics in 1921. 2.Brownian Motion: He demonstrated the existence of atoms and molecules. 3. Special Relativity: He introduced the famous equation E=mc², which establishes the equivalence of mass and energy. 4.Mass-Energy Equivalence: He unified key concepts in physics.

In 1915, Einstein presented his general theory of relativity, which reshaped our understanding of gravity. According to this theory, gravity is not a force, but a curvature of space-time caused by mass and energy. This idea was confirmed in 1919 during a solar eclipse, which catapulted him to worldwide fame.

Despite his enormous contributions, Einstein received the Nobel Prize in 1921 not for relativity, but for his explanation of the photoelectric effect. In 1933, with the rise of Nazism in Germany, he went into exile in the United States, where he worked at the Institute for Advanced Study in Princeton. He renounced his German citizenship and became an American citizen in 1940.

Einstein dedicated his later years to searching for a "theory of everything" that would unify the fundamental forces of nature, although he was unsuccessful. He was a committed pacifist and warned of the dangers of nuclear weapons following the development of the atomic bomb. He died on April 18, 1955, in Princeton, leaving a legacy that transformed science and our understanding of the universe.