Lotfi A. Zadeh

1921 - 2017

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Lotfi Aliasker Zadeh (; Azerbaijani: Lütfi Rəhim oğlu Ələsgərzadə; Persian: لطفی علی‌عسگرزاده‎; February 4, 1921 – September 6, 2017) was a mathematician, computer scientist, electrical engineer, artificial intelligence researcher and professor emeritus of computer science at the University of California, Berkeley. Read more on Wikipedia

Since 2007, the English Wikipedia page of Lotfi A. Zadeh has received more than 370,380 page views. His biography is available in 34 different languages on Wikipedia (up from 33 in 2019). Lotfi A. Zadeh is the 9th most popular computer scientist (down from 8th in 2019), the 14th most popular biography from Azerbaijan (down from 11th in 2019) and the most popular Azerbaijani Computer Scientist.

Lotfi A. Zadeh is most famous for his theory of fuzzy sets. He believed that in order to fully understand a concept, it is necessary to take into account the degree to which the concept is true.

Memorability Metrics

  • 370k

    Page Views (PV)

  • 71.50

    Historical Popularity Index (HPI)

  • 34

    Languages Editions (L)

  • 7.86

    Effective Languages (L*)

  • 2.35

    Coefficient of Variation (CV)

Page views of Lotfi A. Zadehs by language


Among computer scientists, Lotfi A. Zadeh ranks 9 out of 205Before him are Tim Berners-Lee, Dennis Ritchie, Richard Stallman, Donald Knuth, Edsger W. Dijkstra, and Niklaus Wirth. After him are John McCarthy, Linus Torvalds, Edgar F. Codd, Ken Thompson, Ray Kurzweil, and Andrew S. Tanenbaum.

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Among people born in 1921, Lotfi A. Zadeh ranks 41Before him are Jean, Grand Duke of Luxembourg, Stanley Ho, Rosalyn Sussman Yalow, Telmo Zarra, Akio Morita, and Lana Turner. After him are Satyajit Ray, James Jones, Lydia Litvyak, Alida Valli, Edgar Morin, and Sugar Ray Robinson. Among people deceased in 2017, Lotfi A. Zadeh ranks 39Before him are Alexei Alexeyevich Abrikosov, Simone Veil, Hans Georg Dehmelt, Slobodan Praljak, Antony Armstrong-Jones, 1st Earl of Snowdon, and Peter L. Berger. After him are Liliane Bettencourt, Emma Morano, Liu Xiaobo, Harry Dean Stanton, Nicolaas Bloembergen, and Danielle Darrieux.

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In Azerbaijan

Among people born in Azerbaijan, Lotfi A. Zadeh ranks 14 out of 159Before him are Garry Kasparov (1963), Arghun (1250), Ilham Aliyev (1961), Nadezhda Alliluyeva (1901), Ivan Bagramyan (1897), and Abulfaz Elchibey (1938). After him are Serzh Sargsyan (1954), Ayaz Mutallibov (1938), Mammad Amin Rasulzadeh (1884), Uzeyir Hajibeyov (1885), Artur Rasizade (1935), and Mirza Fatali Akhundov (1812).


Among computer scientists born in Azerbaijan, Lotfi A. Zadeh ranks 1