Gesenius, an eminent German Hebraist and Biblical scholar, born in Prussian Saxony, whose labours form an epoch in the study of the Hebrew Scriptures; was 30 years professor of the language in Halle; produced a Hebrew Grammar and Lexicon, and commentary on Isaiah on rationalistic lines (1785‒1842).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Geryon * Gesner, Konrad von