Daniel Klein

Daniel Klein (; 1609–1666) was a Lutheran pastor and scholar from Tilsit, Duchy of Prussia, who is best known for writing the first grammar book of the Lithuanian language.

University education and start of career as a pastor Klein studied philosophy, theology, Greek and Hebrew in the University of Königsberg. In 1637 he became a Lutheran pastor.

Publication of Lithuanian grammar In 1653 Klein published the first printed grammar book of the Lithuanian language – Grammatica Litvanica, written in Latin. Klein coined the distinctive Lithuanian letter Ė.

Other works written in Lithuanian He also wrote a Lithuanian dictionary, but it was left unpublished. Klein published collections of Lithuanian hymns , some of which he wrote himself. Posthumous reputation in the 18th century

Another German, as well an Evangelical Lutheran priest, and an appreciator of the Lithuanian language, who wrote a grammar of the Lithuanian language in German language, Gottfried Ostermeyer, in the 1793 book described Daniel Klein as follows: