An event was held on June 3, 2021 in the assembly hall of Sheki RSC in connection with the Order of the President of the Republic of Azerbaijan Mr. Ilham Aliyev "On the celebration of the 100th anniversary of prominent scientist Lutfi Zadeh" dated January 25, 2021. At the event, the head scientific worker of ANAS Sheki RSC, professor F.N. Ibrahimov reported on "World-famous Lutfi Zadeh: five fundamental theories in one life". Then there was a discussion and exchange of views on Lutfi Zadeh's contribution to world science.