Theoretiker
From LSJ
κάλλιστον ἐφόδιον τῷ γήρᾳ ἡ παιδεία (Aristotle, quoted by Diogenes Laertius 5.21) → the finest provision for old age is education
German > Latin
Theoretiker, qui artem ratione cognitam habet. – scriptor artis (als Schriftsteller). – die bloßen Theoretiker, qui doctrinam od. artes ad usum non adiungunt.