Theoretician in spanish
Teórico
pronunciation: teoʊɹ̩ikoʊ part of speech: noun
pronunciation: teoʊɹ̩ikoʊ part of speech: noun
In gestures
theoretician = teórico.
Example: Seymour Lubetzky is considered by many librarian to be the greatest theoretician of descriptive cataloging in this century.