CS Prof. Lotfi Zadeh, known as the Father of Fuzzy Logic, passed away on the morning of September 6, 2017. He was 96. Zadeh touched many lives and had a tremendous impact on many scientific and technological fields. He is best known as the founder of fuzzy mathematics, fuzzy set theory, fuzzy logic, Z numbers and Z-transform. He won many awards including the IEEE Medal of Honor, the Honda Prize, the Okawa Prize, and the IEEE Hamming Medal. He was a founding member of the Eurasian Academy and a member of the Silicon Valley Engineering Hall of Fame.