Celebrating Lotfi Zadeh
30 November 2021
Today’s Doodle celebrates world-renowned Azerbaijani-American computer scientist, electrical engineer, and professor, Lotfi Zadeh. On this day in 1964, Zadeh submitted “Fuzzy Sets,” a groundbreaking paper that introduced the world to his innovative mathematical framework called “fuzzy logic.”
Lotfi Asker Zadeh was born on February 4, 1921 in Baku, Azerbaijan (then a Soviet Socialist republic), and at 10 years old moved with his family to his father’s homeland of Iran. His exceptional academic achievements brought him to the U.S. to attend the Massachusetts Institute of Technology for his graduate studies. He went on to earn his doctorate in electrical engineering in 1949, and later taught systems theory at Columbia University in New York. In 1959 he became a professor at the University of California, Berkeley–which remained his academic home throughout his career and where he made his most famous and fuzzy breakthrough.
In 1965, he published “Fuzzy Sets,” which has since been cited by scholars nearly 100,000 times. The theory he presented offered an alternative to the rigid “black and white” parameters of traditional logic and instead allowed for more ambiguous or “fuzzy” boundaries that more closely mimic the way humans see the world. This concept has since been applied to a huge range of technological applications—from a Japanese subway system to the anti-skid algorithms that keep cars safe on the road.
Known as a gracious yet brilliant thinker, Zadeh received countless accolades throughout his career, including an honorary professorship from the government of Azerbaijan in 1993.
So here’s to you, Lotfi Zadeh! There’s nothing fuzzy about your huge impact on the scientific world.
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