Masanin ilimin phrenologist shi ne wanda ya yi nazarin phrenology, wanda wani fanni ne da ba a amince da shi ba, wanda ke da’awar cewa zai iya tantance halin mutum da iya tunaninsa ta hanyar nazarin siffa da girman kwanyarsa. Kalmar “phrenologist” ta samo asali ne daga kalmomin Helenanci “phren” (ma’anar “hankali” ko “kwakwalwa”) da “logos” (ma’ana “nazari” ko “ilimi”).
