[ noun ] a person who compiles information for encyclopedias <noun.person>
Encyclopedist \En*cy`clo*pe"dist\, n. [Cf. F. encyclop['e]diste.] The compiler of an encyclopedia, or one who assists in such compilation; also, one whose knowledge embraces the whole range of the sciences.
{The Encyclopedists}, the writers of the great French encyclopedia which appeared in 1751-1772. The editors were Diderot and D'Alembert. Among the contributors were Voltaire and Rousseau.