The influential ninth-century Irish philosopher Johannes Scotus Eriugena had a thorough knowledge of Greek, and through his translations and use of unusual Greek words in poetry helped to raise the prestige of the hermeneutic style.[14] The style became fashionable at Laon, where Johannes's colleague and fellow Irishman, Martianus Hiberniensis, lectured. Hincmar of Rheims rebuked his nephew, Hincmar of Laon: