documentarist

doc·u·men·tar·i·an

D0316700 (dŏk′yə-mĕn-târ′ē-ən, -mən-) also doc·u·men·ta·rist (dŏk′yə-mĕn′tər-ĭst)n. One who makes documentaries.

documentarist

(ˌdɒkjʊˈmɛntərɪst) n (Professions) a person who makes documentaries