Full Name: Albert Einstein | Profession: Theoretical physicist, Nobel Prize–winning scientist, and public intellectual whose work transformed modern physics. | Nationality: German-born, later Swiss and American citizen. | Born: March 14, 1879. | Birthplace: Ulm, Kingdom of Württemberg, German Empire. | Generation: Missionary Generation (1860–1882 cohort of reformist intellectuals). | Chinese Zodiac: Rabbit. | Zodiac Sign: Pisces. | Age in 2026: Would be 147 years old if alive (2026 − 1879). | Marital Status: Widowed at death, having previously been married to Mileva Marić (1903–1919) and to his cousin Elsa Einstein (1919–1936). | Children: 3 (daughter Lieserl and sons Hans Albert and Eduard with Mileva Marić). | Description: A German-born theoretical physicist whose special and general theories of relativity and explanation of the photoelectric effect changed the course of 20th-century science, earned him the 1921 Nobel Prize in Physics, and made him a global symbol of intellectual genius; a secular Jewish refugee from Nazism who settled in Princeton, New Jersey, he became a prominent public figure advocating for civil rights, Zionism, and international cooperation while reshaping our understanding of space, time, energy, and gravity. | Cause of Death: Internal bleeding from a ruptured abdominal aortic aneurysm in Princeton, New Jersey, on April 18, 1955.