Lotfi A. Zadeh

1921 - 2017

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Lotfi Aliasker Zadeh (; Azerbaijani: Lütfi Rəhim oğlu Ələsgərzadə; Persian: لطفی علی‌عسکرزاده; 4 February 1921 – 6 September 2017) was a mathematician, computer scientist, electrical engineer, artificial intelligence researcher, and professor 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 1,129,159 page views. His biography is available in 37 different languages on Wikipedia. Lotfi A. Zadeh is the 10th most popular computer scientist (down from 5th in 2019), the 14th most popular biography from Azerbaijan (down from 12th 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

  • 1.1M

    Page Views (PV)

  • 63.89

    Historical Popularity Index (HPI)

  • 37

    Languages Editions (L)

  • 7.33

    Effective Languages (L*)

  • 2.47

    Coefficient of Variation (CV)


Among computer scientists, Lotfi A. Zadeh ranks 10 out of 245Before him are Richard Stallman, Niklaus Wirth, Dennis Ritchie, Edsger W. Dijkstra, Donald Knuth, and John McCarthy. After him are Linus Torvalds, Andrew S. Tanenbaum, Edgar F. Codd, Marvin Minsky, Ivan Sutherland, and George Dantzig.

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Among people born in 1921, Lotfi A. Zadeh ranks 37Before him are Gianni Agnelli, John Glenn, Jane Russell, Lana Turner, Arthur Leonard Schawlow, and Marija Gimbutas. After him are Yoichiro Nambu, Akio Morita, Edgar Morin, Alida Valli, Aaron T. Beck, and Kurt Knispel. Among people deceased in 2017, Lotfi A. Zadeh ranks 38Before him are Alexei Alexeyevich Abrikosov, Hiroto Muraoka, Derek Walcott, Tzvetan Todorov, Louise Hay, and Emmanuelle Riva. After him are Jean Rochefort, Adnan Khashoggi, Liu Xiaobo, Malcolm Young, Powers Boothe, and George A. Romero.

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In Azerbaijan

Among people born in Azerbaijan, Lotfi A. Zadeh ranks 14 out of 232Before him are Garry Kasparov (1963), Imadaddin Nasimi (1369), Abulfaz Elchibey (1938), Nadezhda Alliluyeva (1901), Zecharia Sitchin (1920), and Ivan Bagramyan (1897). After him are Ayaz Mutallibov (1938), Artur Rasizade (1935), Garegin Nzhdeh (1886), Mirza Fatali Akhundov (1812), Ali Asadov (1956), and Mammad Amin Rasulzadeh (1884).


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