
In Theatre, a Dramaturg is a person who serves as an editor for a theatre company, helping to select plays and helping writers refine their work. He or she is sometimes called a literary manager.
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http://www.probertencyclopaedia.com/browse/AD.HTM

person who assists the director by researching the context of a play, including the historical periods and biographical information about the playwright; person who assists the playwright with clarifying and revising the script in progress.
Found on
https://education.ket.org/resources/drama-glossary/

One who suggests repertory, advises on the suitability of competing editions of operas and writes or edits material for program books and supertitles.
Found on
https://sfopera.com/contentassets/1e61ab24770e4c34abce87aaf6a3e39d/opera-vo

(Pronounced drama-turj) A person who works alongside writers to develop their plays for performance. Although not necessarily a writer him/herself, a dramaturg is skilled in knowing what will or will not work on stage. Performs much the same function as a publisher's editor.
Found on
https://www.encyclo.co.uk/local/21782
No exact match found.