1) Anais Nin or Anne Frank 2) Anne Frank 3) Anne frank notably 4) Bridget Jones or Samuel Pepys 5) Diary keeper 6) Evelyn was one 7) Frank 8) Frank, notably 9) John Evelyn was one 10) Journal keeper 11) Journalist 12) Log writer 13) Nin or Frank 14) Nin or pepys 15) Record keeper 16) Record keeper, of a sort 1) Pepys 
• (n.) One who keeps a diary.
Di'a·rist noun One who keeps a diary. 
[n] - someone who keeps a diary or journal
diary keeper noun someone who keeps a diary or journal
a person who keeps a diary.