Several scientists from Azerbaijan including Lotfi A. Zadeh in fuzzy set theory made significant contributions to the both local and international science community.[9] Other notable Azerbaijani scientists include Nazim Muradov,[10] Azad Mirzajanzade,[11] Yusif Mammadaliyev,[12] Lev Landau,[13] Garib Murshudov,[14] Kalil Kalantar,[15] Alikram Aliyev,[16] Masud Afandiyev etc.