ILLUMINATOR
Etymology
Noun
illuminator (plural illuminators)
Agent noun of illuminate; one who illuminates; an explainer.
An artist who adds illustrations and decorations to illuminated manuscriptsW.
Source: Wiktionary
Il*lu"mi*na`tor, n. Etym: [L., an enlightener, LL. also, an
illuminator of books.]
1. One whose occupation is to adorn books, especially manuscripts,
with miniatures, borders, etc. See Illuminate, v. t., 3.
2. A condenser or reflector of light in optical apparatus; also, an
illuminant.
Source: Webster’s Unabridged Dictionary 1913 Edition